Home / 3,612.56-5,419.40-1,532.57

Finding the Fourth Proportional to 3,612.56, 5,419.40 and 1,532.57

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Solution

The fourth proportional to 3,612.56, 5,419.40 and 1,532.57 is: 2,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.56 : 5,419.40 = 1,532.57 : x
  2. Step 2: Convert to fraction form
    3,612.56/5,419.40 = 1,532.57/x
  3. Step 3: Cross multiply
    3,612.56x = 5,419.40 × 1,532.57
  4. Step 4: Simplify right side
    3,612.56x = 8,305,575.10
  5. Step 5: Solve for x
    x = 8,305,575.10/3,612.56
  6. Step 6: Final answer
    x = 2,299.09

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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.