Home / 1,550.91-2,324.31-1,138.11

Finding the Fourth Proportional to 1,550.91, 2,324.31 and 1,138.11

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Solution

The fourth proportional to 1,550.91, 2,324.31 and 1,138.11 is: 1,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.91 : 2,324.31 = 1,138.11 : x
  2. Step 2: Convert to fraction form
    1,550.91/2,324.31 = 1,138.11/x
  3. Step 3: Cross multiply
    1,550.91x = 2,324.31 × 1,138.11
  4. Step 4: Simplify right side
    1,550.91x = 2,645,303.14
  5. Step 5: Solve for x
    x = 2,645,303.14/1,550.91
  6. Step 6: Final answer
    x = 1,705.65

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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.