Home / 1,456.11-2,184.09-360.42

Finding the Fourth Proportional to 1,456.11, 2,184.09 and 360.42

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Solution

The fourth proportional to 1,456.11, 2,184.09 and 360.42 is: 540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.11 : 2,184.09 = 360.42 : x
  2. Step 2: Convert to fraction form
    1,456.11/2,184.09 = 360.42/x
  3. Step 3: Cross multiply
    1,456.11x = 2,184.09 × 360.42
  4. Step 4: Simplify right side
    1,456.11x = 787,189.72
  5. Step 5: Solve for x
    x = 787,189.72/1,456.11
  6. Step 6: Final answer
    x = 540.61

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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.