Home / 3,422.90-5,132.49-1,201.15

Finding the Fourth Proportional to 3,422.90, 5,132.49 and 1,201.15

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Solution

The fourth proportional to 3,422.90, 5,132.49 and 1,201.15 is: 1,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.90 : 5,132.49 = 1,201.15 : x
  2. Step 2: Convert to fraction form
    3,422.90/5,132.49 = 1,201.15/x
  3. Step 3: Cross multiply
    3,422.90x = 5,132.49 × 1,201.15
  4. Step 4: Simplify right side
    3,422.90x = 6,164,890.36
  5. Step 5: Solve for x
    x = 6,164,890.36/3,422.90
  6. Step 6: Final answer
    x = 1,801.07

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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.