Home / 3,728.62-5,143.53-2,332.18

Finding the Fourth Proportional to 3,728.62, 5,143.53 and 2,332.18

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Solution

The fourth proportional to 3,728.62, 5,143.53 and 2,332.18 is: 3,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.62 : 5,143.53 = 2,332.18 : x
  2. Step 2: Convert to fraction form
    3,728.62/5,143.53 = 2,332.18/x
  3. Step 3: Cross multiply
    3,728.62x = 5,143.53 × 2,332.18
  4. Step 4: Simplify right side
    3,728.62x = 11,995,637.80
  5. Step 5: Solve for x
    x = 11,995,637.80/3,728.62
  6. Step 6: Final answer
    x = 3,217.18

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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.