Home / 3,125.06-4,689.91-1,481.61

Finding the Fourth Proportional to 3,125.06, 4,689.91 and 1,481.61

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Solution

The fourth proportional to 3,125.06, 4,689.91 and 1,481.61 is: 2,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.06 : 4,689.91 = 1,481.61 : x
  2. Step 2: Convert to fraction form
    3,125.06/4,689.91 = 1,481.61/x
  3. Step 3: Cross multiply
    3,125.06x = 4,689.91 × 1,481.61
  4. Step 4: Simplify right side
    3,125.06x = 6,948,617.56
  5. Step 5: Solve for x
    x = 6,948,617.56/3,125.06
  6. Step 6: Final answer
    x = 2,223.51

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1.5x scale

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.