Home / 3,419.46-5,126.04-1,227.78

Finding the Fourth Proportional to 3,419.46, 5,126.04 and 1,227.78

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Solution

The fourth proportional to 3,419.46, 5,126.04 and 1,227.78 is: 1,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.46 : 5,126.04 = 1,227.78 : x
  2. Step 2: Convert to fraction form
    3,419.46/5,126.04 = 1,227.78/x
  3. Step 3: Cross multiply
    3,419.46x = 5,126.04 × 1,227.78
  4. Step 4: Simplify right side
    3,419.46x = 6,293,649.39
  5. Step 5: Solve for x
    x = 6,293,649.39/3,419.46
  6. Step 6: Final answer
    x = 1,840.54

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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.