Home / 1,557.35-2,331.78-1,516.04

Finding the Fourth Proportional to 1,557.35, 2,331.78 and 1,516.04

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Solution

The fourth proportional to 1,557.35, 2,331.78 and 1,516.04 is: 2,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.35 : 2,331.78 = 1,516.04 : x
  2. Step 2: Convert to fraction form
    1,557.35/2,331.78 = 1,516.04/x
  3. Step 3: Cross multiply
    1,557.35x = 2,331.78 × 1,516.04
  4. Step 4: Simplify right side
    1,557.35x = 3,535,071.90
  5. Step 5: Solve for x
    x = 3,535,071.90/1,557.35
  6. Step 6: Final answer
    x = 2,269.92

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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.