Home / 3,672.11-5,505.77-1,331.68

Finding the Fourth Proportional to 3,672.11, 5,505.77 and 1,331.68

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Solution

The fourth proportional to 3,672.11, 5,505.77 and 1,331.68 is: 1,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.11 : 5,505.77 = 1,331.68 : x
  2. Step 2: Convert to fraction form
    3,672.11/5,505.77 = 1,331.68/x
  3. Step 3: Cross multiply
    3,672.11x = 5,505.77 × 1,331.68
  4. Step 4: Simplify right side
    3,672.11x = 7,331,915.94
  5. Step 5: Solve for x
    x = 7,331,915.94/3,672.11
  6. Step 6: Final answer
    x = 1,996.65

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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.