Home / 3,100.68-4,651.02-1,152.36

Finding the Fourth Proportional to 3,100.68, 4,651.02 and 1,152.36

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Solution

The fourth proportional to 3,100.68, 4,651.02 and 1,152.36 is: 1,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.68 : 4,651.02 = 1,152.36 : x
  2. Step 2: Convert to fraction form
    3,100.68/4,651.02 = 1,152.36/x
  3. Step 3: Cross multiply
    3,100.68x = 4,651.02 × 1,152.36
  4. Step 4: Simplify right side
    3,100.68x = 5,359,649.41
  5. Step 5: Solve for x
    x = 5,359,649.41/3,100.68
  6. Step 6: Final answer
    x = 1,728.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.