Home / 3,425.37-4,728.87-2,375.61

Finding the Fourth Proportional to 3,425.37, 4,728.87 and 2,375.61

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Solution

The fourth proportional to 3,425.37, 4,728.87 and 2,375.61 is: 3,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.37 : 4,728.87 = 2,375.61 : x
  2. Step 2: Convert to fraction form
    3,425.37/4,728.87 = 2,375.61/x
  3. Step 3: Cross multiply
    3,425.37x = 4,728.87 × 2,375.61
  4. Step 4: Simplify right side
    3,425.37x = 11,233,950.86
  5. Step 5: Solve for x
    x = 11,233,950.86/3,425.37
  6. Step 6: Final answer
    x = 3,279.63

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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.