Home / 3,242.89-4,864.35-1,781.25

Finding the Fourth Proportional to 3,242.89, 4,864.35 and 1,781.25

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Solution

The fourth proportional to 3,242.89, 4,864.35 and 1,781.25 is: 2,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.89 : 4,864.35 = 1,781.25 : x
  2. Step 2: Convert to fraction form
    3,242.89/4,864.35 = 1,781.25/x
  3. Step 3: Cross multiply
    3,242.89x = 4,864.35 × 1,781.25
  4. Step 4: Simplify right side
    3,242.89x = 8,664,623.44
  5. Step 5: Solve for x
    x = 8,664,623.44/3,242.89
  6. Step 6: Final answer
    x = 2,671.88

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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.