Home / 3,125.88-4,311.09-2,426.04

Finding the Fourth Proportional to 3,125.88, 4,311.09 and 2,426.04

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Solution

The fourth proportional to 3,125.88, 4,311.09 and 2,426.04 is: 3,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.88 : 4,311.09 = 2,426.04 : x
  2. Step 2: Convert to fraction form
    3,125.88/4,311.09 = 2,426.04/x
  3. Step 3: Cross multiply
    3,125.88x = 4,311.09 × 2,426.04
  4. Step 4: Simplify right side
    3,125.88x = 10,458,876.78
  5. Step 5: Solve for x
    x = 10,458,876.78/3,125.88
  6. Step 6: Final answer
    x = 3,345.90

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1.5x scale

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.