Home / 2,516.19-3,472.32-1,397.09

Finding the Fourth Proportional to 2,516.19, 3,472.32 and 1,397.09

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Solution

The fourth proportional to 2,516.19, 3,472.32 and 1,397.09 is: 1,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.19 : 3,472.32 = 1,397.09 : x
  2. Step 2: Convert to fraction form
    2,516.19/3,472.32 = 1,397.09/x
  3. Step 3: Cross multiply
    2,516.19x = 3,472.32 × 1,397.09
  4. Step 4: Simplify right side
    2,516.19x = 4,851,143.55
  5. Step 5: Solve for x
    x = 4,851,143.55/2,516.19
  6. Step 6: Final answer
    x = 1,927.97

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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.