Home / 2,254.21-3,381.31-610.80

Finding the Fourth Proportional to 2,254.21, 3,381.31 and 610.80

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Solution

The fourth proportional to 2,254.21, 3,381.31 and 610.80 is: 916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.21 : 3,381.31 = 610.80 : x
  2. Step 2: Convert to fraction form
    2,254.21/3,381.31 = 610.80/x
  3. Step 3: Cross multiply
    2,254.21x = 3,381.31 × 610.80
  4. Step 4: Simplify right side
    2,254.21x = 2,065,304.15
  5. Step 5: Solve for x
    x = 2,065,304.15/2,254.21
  6. Step 6: Final answer
    x = 916.20

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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.