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Finding the Fourth Proportional to 2,253.95, 3,381.13 and 610.50

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Solution

The fourth proportional to 2,253.95, 3,381.13 and 610.50 is: 915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.95 : 3,381.13 = 610.50 : x
  2. Step 2: Convert to fraction form
    2,253.95/3,381.13 = 610.50/x
  3. Step 3: Cross multiply
    2,253.95x = 3,381.13 × 610.50
  4. Step 4: Simplify right side
    2,253.95x = 2,064,179.87
  5. Step 5: Solve for x
    x = 2,064,179.87/2,253.95
  6. Step 6: Final answer
    x = 915.81

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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.