Home / 2,516.92-3,473.38-1,397.88

Finding the Fourth Proportional to 2,516.92, 3,473.38 and 1,397.88

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Solution

The fourth proportional to 2,516.92, 3,473.38 and 1,397.88 is: 1,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.92 : 3,473.38 = 1,397.88 : x
  2. Step 2: Convert to fraction form
    2,516.92/3,473.38 = 1,397.88/x
  3. Step 3: Cross multiply
    2,516.92x = 3,473.38 × 1,397.88
  4. Step 4: Simplify right side
    2,516.92x = 4,855,361.45
  5. Step 5: Solve for x
    x = 4,855,361.45/2,516.92
  6. Step 6: Final answer
    x = 1,929.09

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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.