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Finding the Fourth Proportional to 3,154.87, 4,733.39 and 1,695.12

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Solution

The fourth proportional to 3,154.87, 4,733.39 and 1,695.12 is: 2,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.87 : 4,733.39 = 1,695.12 : x
  2. Step 2: Convert to fraction form
    3,154.87/4,733.39 = 1,695.12/x
  3. Step 3: Cross multiply
    3,154.87x = 4,733.39 × 1,695.12
  4. Step 4: Simplify right side
    3,154.87x = 8,023,664.06
  5. Step 5: Solve for x
    x = 8,023,664.06/3,154.87
  6. Step 6: Final answer
    x = 2,543.26

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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.