Home / 3,451.70-5,176.56-1,695.62

Finding the Fourth Proportional to 3,451.70, 5,176.56 and 1,695.62

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Solution

The fourth proportional to 3,451.70, 5,176.56 and 1,695.62 is: 2,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.70 : 5,176.56 = 1,695.62 : x
  2. Step 2: Convert to fraction form
    3,451.70/5,176.56 = 1,695.62/x
  3. Step 3: Cross multiply
    3,451.70x = 5,176.56 × 1,695.62
  4. Step 4: Simplify right side
    3,451.70x = 8,777,478.67
  5. Step 5: Solve for x
    x = 8,777,478.67/3,451.70
  6. Step 6: Final answer
    x = 2,542.94

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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.