Home / 3,432.76-5,148.39-1,240.27

Finding the Fourth Proportional to 3,432.76, 5,148.39 and 1,240.27

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Solution

The fourth proportional to 3,432.76, 5,148.39 and 1,240.27 is: 1,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.76 : 5,148.39 = 1,240.27 : x
  2. Step 2: Convert to fraction form
    3,432.76/5,148.39 = 1,240.27/x
  3. Step 3: Cross multiply
    3,432.76x = 5,148.39 × 1,240.27
  4. Step 4: Simplify right side
    3,432.76x = 6,385,367.92
  5. Step 5: Solve for x
    x = 6,385,367.92/3,432.76
  6. Step 6: Final answer
    x = 1,860.13

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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.