Home / 3,334.78-5,001.25-1,142.76

Finding the Fourth Proportional to 3,334.78, 5,001.25 and 1,142.76

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Solution

The fourth proportional to 3,334.78, 5,001.25 and 1,142.76 is: 1,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.78 : 5,001.25 = 1,142.76 : x
  2. Step 2: Convert to fraction form
    3,334.78/5,001.25 = 1,142.76/x
  3. Step 3: Cross multiply
    3,334.78x = 5,001.25 × 1,142.76
  4. Step 4: Simplify right side
    3,334.78x = 5,715,228.45
  5. Step 5: Solve for x
    x = 5,715,228.45/3,334.78
  6. Step 6: Final answer
    x = 1,713.82

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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.