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Finding the Fourth Proportional to 3,334.96, 5,002.50 and 869.63

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Solution

The fourth proportional to 3,334.96, 5,002.50 and 869.63 is: 1,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.96 : 5,002.50 = 869.63 : x
  2. Step 2: Convert to fraction form
    3,334.96/5,002.50 = 869.63/x
  3. Step 3: Cross multiply
    3,334.96x = 5,002.50 × 869.63
  4. Step 4: Simplify right side
    3,334.96x = 4,350,324.08
  5. Step 5: Solve for x
    x = 4,350,324.08/3,334.96
  6. Step 6: Final answer
    x = 1,304.46

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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.