Home / 3,543.72-4,878.50-2,658.04

Finding the Fourth Proportional to 3,543.72, 4,878.50 and 2,658.04

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Solution

The fourth proportional to 3,543.72, 4,878.50 and 2,658.04 is: 3,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.72 : 4,878.50 = 2,658.04 : x
  2. Step 2: Convert to fraction form
    3,543.72/4,878.50 = 2,658.04/x
  3. Step 3: Cross multiply
    3,543.72x = 4,878.50 × 2,658.04
  4. Step 4: Simplify right side
    3,543.72x = 12,967,248.14
  5. Step 5: Solve for x
    x = 12,967,248.14/3,543.72
  6. Step 6: Final answer
    x = 3,659.22

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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.