Home / 3,331.89-4,997.14-1,251.81

Finding the Fourth Proportional to 3,331.89, 4,997.14 and 1,251.81

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Solution

The fourth proportional to 3,331.89, 4,997.14 and 1,251.81 is: 1,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.89 : 4,997.14 = 1,251.81 : x
  2. Step 2: Convert to fraction form
    3,331.89/4,997.14 = 1,251.81/x
  3. Step 3: Cross multiply
    3,331.89x = 4,997.14 × 1,251.81
  4. Step 4: Simplify right side
    3,331.89x = 6,255,469.82
  5. Step 5: Solve for x
    x = 6,255,469.82/3,331.89
  6. Step 6: Final answer
    x = 1,877.45

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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.