Home / 3,451.08-4,763.42-2,125.90

Finding the Fourth Proportional to 3,451.08, 4,763.42 and 2,125.90

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Solution

The fourth proportional to 3,451.08, 4,763.42 and 2,125.90 is: 2,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.08 : 4,763.42 = 2,125.90 : x
  2. Step 2: Convert to fraction form
    3,451.08/4,763.42 = 2,125.90/x
  3. Step 3: Cross multiply
    3,451.08x = 4,763.42 × 2,125.90
  4. Step 4: Simplify right side
    3,451.08x = 10,126,557.87
  5. Step 5: Solve for x
    x = 10,126,557.87/3,451.08
  6. Step 6: Final answer
    x = 2,934.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.