Home / 3,400.52-5,099.70-1,452.20

Finding the Fourth Proportional to 3,400.52, 5,099.70 and 1,452.20

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Solution

The fourth proportional to 3,400.52, 5,099.70 and 1,452.20 is: 2,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.52 : 5,099.70 = 1,452.20 : x
  2. Step 2: Convert to fraction form
    3,400.52/5,099.70 = 1,452.20/x
  3. Step 3: Cross multiply
    3,400.52x = 5,099.70 × 1,452.20
  4. Step 4: Simplify right side
    3,400.52x = 7,405,784.34
  5. Step 5: Solve for x
    x = 7,405,784.34/3,400.52
  6. Step 6: Final answer
    x = 2,177.84

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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.