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Finding the Fourth Proportional to 2,149.03, 3,223.55 and 610.03

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Solution

The fourth proportional to 2,149.03, 3,223.55 and 610.03 is: 915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.03 : 3,223.55 = 610.03 : x
  2. Step 2: Convert to fraction form
    2,149.03/3,223.55 = 610.03/x
  3. Step 3: Cross multiply
    2,149.03x = 3,223.55 × 610.03
  4. Step 4: Simplify right side
    2,149.03x = 1,966,464.33
  5. Step 5: Solve for x
    x = 1,966,464.33/2,149.03
  6. Step 6: Final answer
    x = 915.05

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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.