Home / 3,432.88-5,151.36-1,353.11

Finding the Fourth Proportional to 3,432.88, 5,151.36 and 1,353.11

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Solution

The fourth proportional to 3,432.88, 5,151.36 and 1,353.11 is: 2,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.88 : 5,151.36 = 1,353.11 : x
  2. Step 2: Convert to fraction form
    3,432.88/5,151.36 = 1,353.11/x
  3. Step 3: Cross multiply
    3,432.88x = 5,151.36 × 1,353.11
  4. Step 4: Simplify right side
    3,432.88x = 6,970,336.05
  5. Step 5: Solve for x
    x = 6,970,336.05/3,432.88
  6. Step 6: Final answer
    x = 2,030.46

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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.