Home / 3,957.17-5,937.77-1,618.90

Finding the Fourth Proportional to 3,957.17, 5,937.77 and 1,618.90

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Solution

The fourth proportional to 3,957.17, 5,937.77 and 1,618.90 is: 2,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.17 : 5,937.77 = 1,618.90 : x
  2. Step 2: Convert to fraction form
    3,957.17/5,937.77 = 1,618.90/x
  3. Step 3: Cross multiply
    3,957.17x = 5,937.77 × 1,618.90
  4. Step 4: Simplify right side
    3,957.17x = 9,612,645.06
  5. Step 5: Solve for x
    x = 9,612,645.06/3,957.17
  6. Step 6: Final answer
    x = 2,429.17

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1.5x scale

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.