Home / 3,719.61-5,579.97-1,254.22

Finding the Fourth Proportional to 3,719.61, 5,579.97 and 1,254.22

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Solution

The fourth proportional to 3,719.61, 5,579.97 and 1,254.22 is: 1,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.61 : 5,579.97 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    3,719.61/5,579.97 = 1,254.22/x
  3. Step 3: Cross multiply
    3,719.61x = 5,579.97 × 1,254.22
  4. Step 4: Simplify right side
    3,719.61x = 6,998,509.97
  5. Step 5: Solve for x
    x = 6,998,509.97/3,719.61
  6. Step 6: Final answer
    x = 1,881.52

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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.