Home / 3,407.43-5,112.06-1,432.76

Finding the Fourth Proportional to 3,407.43, 5,112.06 and 1,432.76

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Solution

The fourth proportional to 3,407.43, 5,112.06 and 1,432.76 is: 2,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.43 : 5,112.06 = 1,432.76 : x
  2. Step 2: Convert to fraction form
    3,407.43/5,112.06 = 1,432.76/x
  3. Step 3: Cross multiply
    3,407.43x = 5,112.06 × 1,432.76
  4. Step 4: Simplify right side
    3,407.43x = 7,324,329.53
  5. Step 5: Solve for x
    x = 7,324,329.53/3,407.43
  6. Step 6: Final answer
    x = 2,149.52

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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.