Home / 3,376.76-4,657.02-2,197.40

Finding the Fourth Proportional to 3,376.76, 4,657.02 and 2,197.40

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Solution

The fourth proportional to 3,376.76, 4,657.02 and 2,197.40 is: 3,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.76 : 4,657.02 = 2,197.40 : x
  2. Step 2: Convert to fraction form
    3,376.76/4,657.02 = 2,197.40/x
  3. Step 3: Cross multiply
    3,376.76x = 4,657.02 × 2,197.40
  4. Step 4: Simplify right side
    3,376.76x = 10,233,335.75
  5. Step 5: Solve for x
    x = 10,233,335.75/3,376.76
  6. Step 6: Final answer
    x = 3,030.52

Related Problems

Find fourth proportional to 1,688.38, 2,328.51 and 1,098.70
Half scale
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Double scale
Find fourth proportional to 3,377.76, 4,658.40 and 2,198.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.