Home / 3,242.88-4,472.28-2,543.04

Finding the Fourth Proportional to 3,242.88, 4,472.28 and 2,543.04

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Solution

The fourth proportional to 3,242.88, 4,472.28 and 2,543.04 is: 3,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.88 : 4,472.28 = 2,543.04 : x
  2. Step 2: Convert to fraction form
    3,242.88/4,472.28 = 2,543.04/x
  3. Step 3: Cross multiply
    3,242.88x = 4,472.28 × 2,543.04
  4. Step 4: Simplify right side
    3,242.88x = 11,373,186.93
  5. Step 5: Solve for x
    x = 11,373,186.93/3,242.88
  6. Step 6: Final answer
    x = 3,507.13

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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.