Home / 4,151.25-5,729.09-2,288.61

Finding the Fourth Proportional to 4,151.25, 5,729.09 and 2,288.61

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Solution

The fourth proportional to 4,151.25, 5,729.09 and 2,288.61 is: 3,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.25 : 5,729.09 = 2,288.61 : x
  2. Step 2: Convert to fraction form
    4,151.25/5,729.09 = 2,288.61/x
  3. Step 3: Cross multiply
    4,151.25x = 5,729.09 × 2,288.61
  4. Step 4: Simplify right side
    4,151.25x = 13,111,652.66
  5. Step 5: Solve for x
    x = 13,111,652.66/4,151.25
  6. Step 6: Final answer
    x = 3,158.48

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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.