Home / 3,719.72-5,578.98-1,254.49

Finding the Fourth Proportional to 3,719.72, 5,578.98 and 1,254.49

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Solution

The fourth proportional to 3,719.72, 5,578.98 and 1,254.49 is: 1,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.72 : 5,578.98 = 1,254.49 : x
  2. Step 2: Convert to fraction form
    3,719.72/5,578.98 = 1,254.49/x
  3. Step 3: Cross multiply
    3,719.72x = 5,578.98 × 1,254.49
  4. Step 4: Simplify right side
    3,719.72x = 6,998,755.97
  5. Step 5: Solve for x
    x = 6,998,755.97/3,719.72
  6. Step 6: Final answer
    x = 1,881.53

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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.