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Finding the Fourth Proportional to 3,712.52, 5,568.72 and 1,492.33

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Solution

The fourth proportional to 3,712.52, 5,568.72 and 1,492.33 is: 2,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.52 : 5,568.72 = 1,492.33 : x
  2. Step 2: Convert to fraction form
    3,712.52/5,568.72 = 1,492.33/x
  3. Step 3: Cross multiply
    3,712.52x = 5,568.72 × 1,492.33
  4. Step 4: Simplify right side
    3,712.52x = 8,310,360.46
  5. Step 5: Solve for x
    x = 8,310,360.46/3,712.52
  6. Step 6: Final answer
    x = 2,238.47

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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.