Home / 3,432.52-5,148.78-1,874.08

Finding the Fourth Proportional to 3,432.52, 5,148.78 and 1,874.08

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Solution

The fourth proportional to 3,432.52, 5,148.78 and 1,874.08 is: 2,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.52 : 5,148.78 = 1,874.08 : x
  2. Step 2: Convert to fraction form
    3,432.52/5,148.78 = 1,874.08/x
  3. Step 3: Cross multiply
    3,432.52x = 5,148.78 × 1,874.08
  4. Step 4: Simplify right side
    3,432.52x = 9,649,225.62
  5. Step 5: Solve for x
    x = 9,649,225.62/3,432.52
  6. Step 6: Final answer
    x = 2,811.12

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Similar ratio
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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.