Home / 3,191.52-4,780.08-2,543.52

Finding the Fourth Proportional to 3,191.52, 4,780.08 and 2,543.52

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Solution

The fourth proportional to 3,191.52, 4,780.08 and 2,543.52 is: 3,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.52 : 4,780.08 = 2,543.52 : x
  2. Step 2: Convert to fraction form
    3,191.52/4,780.08 = 2,543.52/x
  3. Step 3: Cross multiply
    3,191.52x = 4,780.08 × 2,543.52
  4. Step 4: Simplify right side
    3,191.52x = 12,158,229.08
  5. Step 5: Solve for x
    x = 12,158,229.08/3,191.52
  6. Step 6: Final answer
    x = 3,809.54

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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.