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Finding the Fourth Proportional to 2,354.95, 3,532.97 and 1,200.43

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Solution

The fourth proportional to 2,354.95, 3,532.97 and 1,200.43 is: 1,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.95 : 3,532.97 = 1,200.43 : x
  2. Step 2: Convert to fraction form
    2,354.95/3,532.97 = 1,200.43/x
  3. Step 3: Cross multiply
    2,354.95x = 3,532.97 × 1,200.43
  4. Step 4: Simplify right side
    2,354.95x = 4,241,083.18
  5. Step 5: Solve for x
    x = 4,241,083.18/2,354.95
  6. Step 6: Final answer
    x = 1,800.92

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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.