Home / 1,616.52-2,419.92-1,038.18

Finding the Fourth Proportional to 1,616.52, 2,419.92 and 1,038.18

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Solution

The fourth proportional to 1,616.52, 2,419.92 and 1,038.18 is: 1,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.52 : 2,419.92 = 1,038.18 : x
  2. Step 2: Convert to fraction form
    1,616.52/2,419.92 = 1,038.18/x
  3. Step 3: Cross multiply
    1,616.52x = 2,419.92 × 1,038.18
  4. Step 4: Simplify right side
    1,616.52x = 2,512,312.55
  5. Step 5: Solve for x
    x = 2,512,312.55/1,616.52
  6. Step 6: Final answer
    x = 1,554.15

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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.