Home / 2,516.12-3,472.14-1,397.06

Finding the Fourth Proportional to 2,516.12, 3,472.14 and 1,397.06

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Solution

The fourth proportional to 2,516.12, 3,472.14 and 1,397.06 is: 1,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.12 : 3,472.14 = 1,397.06 : x
  2. Step 2: Convert to fraction form
    2,516.12/3,472.14 = 1,397.06/x
  3. Step 3: Cross multiply
    2,516.12x = 3,472.14 × 1,397.06
  4. Step 4: Simplify right side
    2,516.12x = 4,850,787.91
  5. Step 5: Solve for x
    x = 4,850,787.91/2,516.12
  6. Step 6: Final answer
    x = 1,927.88

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