Home / 3,419.17-5,125.64-1,227.38

Finding the Fourth Proportional to 3,419.17, 5,125.64 and 1,227.38

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Solution

The fourth proportional to 3,419.17, 5,125.64 and 1,227.38 is: 1,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.17 : 5,125.64 = 1,227.38 : x
  2. Step 2: Convert to fraction form
    3,419.17/5,125.64 = 1,227.38/x
  3. Step 3: Cross multiply
    3,419.17x = 5,125.64 × 1,227.38
  4. Step 4: Simplify right side
    3,419.17x = 6,291,076.26
  5. Step 5: Solve for x
    x = 6,291,076.26/3,419.17
  6. Step 6: Final answer
    x = 1,839.94

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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.