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Finding the Fourth Proportional to 2,366.54, 3,549.62 and 1,325.88

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Solution

The fourth proportional to 2,366.54, 3,549.62 and 1,325.88 is: 1,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.54 : 3,549.62 = 1,325.88 : x
  2. Step 2: Convert to fraction form
    2,366.54/3,549.62 = 1,325.88/x
  3. Step 3: Cross multiply
    2,366.54x = 3,549.62 × 1,325.88
  4. Step 4: Simplify right side
    2,366.54x = 4,706,370.17
  5. Step 5: Solve for x
    x = 4,706,370.17/2,366.54
  6. Step 6: Final answer
    x = 1,988.71

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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.