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Finding the Fourth Proportional to 2,862.41, 4,287.84 and 2,398.89

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Solution

The fourth proportional to 2,862.41, 4,287.84 and 2,398.89 is: 3,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.41 : 4,287.84 = 2,398.89 : x
  2. Step 2: Convert to fraction form
    2,862.41/4,287.84 = 2,398.89/x
  3. Step 3: Cross multiply
    2,862.41x = 4,287.84 × 2,398.89
  4. Step 4: Simplify right side
    2,862.41x = 10,286,056.50
  5. Step 5: Solve for x
    x = 10,286,056.50/2,862.41
  6. Step 6: Final answer
    x = 3,593.50

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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.