Home / 3,432.60-5,148.90-835.52

Finding the Fourth Proportional to 3,432.60, 5,148.90 and 835.52

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Solution

The fourth proportional to 3,432.60, 5,148.90 and 835.52 is: 1,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.60 : 5,148.90 = 835.52 : x
  2. Step 2: Convert to fraction form
    3,432.60/5,148.90 = 835.52/x
  3. Step 3: Cross multiply
    3,432.60x = 5,148.90 × 835.52
  4. Step 4: Simplify right side
    3,432.60x = 4,302,008.93
  5. Step 5: Solve for x
    x = 4,302,008.93/3,432.60
  6. Step 6: Final answer
    x = 1,253.28

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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.