Home / 3,691.40-5,536.02-1,382.36

Finding the Fourth Proportional to 3,691.40, 5,536.02 and 1,382.36

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Solution

The fourth proportional to 3,691.40, 5,536.02 and 1,382.36 is: 2,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.40 : 5,536.02 = 1,382.36 : x
  2. Step 2: Convert to fraction form
    3,691.40/5,536.02 = 1,382.36/x
  3. Step 3: Cross multiply
    3,691.40x = 5,536.02 × 1,382.36
  4. Step 4: Simplify right side
    3,691.40x = 7,652,772.61
  5. Step 5: Solve for x
    x = 7,652,772.61/3,691.40
  6. Step 6: Final answer
    x = 2,073.14

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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.