Home / 3,432.39-5,148.81-1,241.13

Finding the Fourth Proportional to 3,432.39, 5,148.81 and 1,241.13

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Solution

The fourth proportional to 3,432.39, 5,148.81 and 1,241.13 is: 1,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.39 : 5,148.81 = 1,241.13 : x
  2. Step 2: Convert to fraction form
    3,432.39/5,148.81 = 1,241.13/x
  3. Step 3: Cross multiply
    3,432.39x = 5,148.81 × 1,241.13
  4. Step 4: Simplify right side
    3,432.39x = 6,390,342.56
  5. Step 5: Solve for x
    x = 6,390,342.56/3,432.39
  6. Step 6: Final answer
    x = 1,861.78

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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.