Home / 3,432.26-5,148.38-1,240.98

Finding the Fourth Proportional to 3,432.26, 5,148.38 and 1,240.98

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Solution

The fourth proportional to 3,432.26, 5,148.38 and 1,240.98 is: 1,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.26 : 5,148.38 = 1,240.98 : x
  2. Step 2: Convert to fraction form
    3,432.26/5,148.38 = 1,240.98/x
  3. Step 3: Cross multiply
    3,432.26x = 5,148.38 × 1,240.98
  4. Step 4: Simplify right side
    3,432.26x = 6,389,036.61
  5. Step 5: Solve for x
    x = 6,389,036.61/3,432.26
  6. Step 6: Final answer
    x = 1,861.47

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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.