Home / 3,426.76-4,728.86-2,247.75

Finding the Fourth Proportional to 3,426.76, 4,728.86 and 2,247.75

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Solution

The fourth proportional to 3,426.76, 4,728.86 and 2,247.75 is: 3,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.76 : 4,728.86 = 2,247.75 : x
  2. Step 2: Convert to fraction form
    3,426.76/4,728.86 = 2,247.75/x
  3. Step 3: Cross multiply
    3,426.76x = 4,728.86 × 2,247.75
  4. Step 4: Simplify right side
    3,426.76x = 10,629,285.93
  5. Step 5: Solve for x
    x = 10,629,285.93/3,426.76
  6. Step 6: Final answer
    x = 3,101.85

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Half scale
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Double scale
Find fourth proportional to 3,427.76, 4,730.24 and 2,248.75
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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.