Home / 2,170.29-3,255.35-610.20

Finding the Fourth Proportional to 2,170.29, 3,255.35 and 610.20

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Solution

The fourth proportional to 2,170.29, 3,255.35 and 610.20 is: 915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.29 : 3,255.35 = 610.20 : x
  2. Step 2: Convert to fraction form
    2,170.29/3,255.35 = 610.20/x
  3. Step 3: Cross multiply
    2,170.29x = 3,255.35 × 610.20
  4. Step 4: Simplify right side
    2,170.29x = 1,986,411.52
  5. Step 5: Solve for x
    x = 1,986,411.52/2,170.29
  6. Step 6: Final answer
    x = 915.27

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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.