Home / 3,957.11-5,937.68-1,618.84

Finding the Fourth Proportional to 3,957.11, 5,937.68 and 1,618.84

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Solution

The fourth proportional to 3,957.11, 5,937.68 and 1,618.84 is: 2,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.11 : 5,937.68 = 1,618.84 : x
  2. Step 2: Convert to fraction form
    3,957.11/5,937.68 = 1,618.84/x
  3. Step 3: Cross multiply
    3,957.11x = 5,937.68 × 1,618.84
  4. Step 4: Simplify right side
    3,957.11x = 9,612,124.20
  5. Step 5: Solve for x
    x = 9,612,124.20/3,957.11
  6. Step 6: Final answer
    x = 2,429.08

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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.