Home / 3,432.99-5,150.28-1,241.72

Finding the Fourth Proportional to 3,432.99, 5,150.28 and 1,241.72

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Solution

The fourth proportional to 3,432.99, 5,150.28 and 1,241.72 is: 1,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.99 : 5,150.28 = 1,241.72 : x
  2. Step 2: Convert to fraction form
    3,432.99/5,150.28 = 1,241.72/x
  3. Step 3: Cross multiply
    3,432.99x = 5,150.28 × 1,241.72
  4. Step 4: Simplify right side
    3,432.99x = 6,395,218.56
  5. Step 5: Solve for x
    x = 6,395,218.56/3,432.99
  6. Step 6: Final answer
    x = 1,862.87

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Double scale
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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.