Home / 2,719.19-4,077.92-1,159.17

Finding the Fourth Proportional to 2,719.19, 4,077.92 and 1,159.17

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Solution

The fourth proportional to 2,719.19, 4,077.92 and 1,159.17 is: 1,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.19 : 4,077.92 = 1,159.17 : x
  2. Step 2: Convert to fraction form
    2,719.19/4,077.92 = 1,159.17/x
  3. Step 3: Cross multiply
    2,719.19x = 4,077.92 × 1,159.17
  4. Step 4: Simplify right side
    2,719.19x = 4,726,996.73
  5. Step 5: Solve for x
    x = 4,726,996.73/2,719.19
  6. Step 6: Final answer
    x = 1,738.39

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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.