Home / 1,456.13-2,184.18-360.51

Finding the Fourth Proportional to 1,456.13, 2,184.18 and 360.51

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Solution

The fourth proportional to 1,456.13, 2,184.18 and 360.51 is: 540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.13 : 2,184.18 = 360.51 : x
  2. Step 2: Convert to fraction form
    1,456.13/2,184.18 = 360.51/x
  3. Step 3: Cross multiply
    1,456.13x = 2,184.18 × 360.51
  4. Step 4: Simplify right side
    1,456.13x = 787,418.73
  5. Step 5: Solve for x
    x = 787,418.73/1,456.13
  6. Step 6: Final answer
    x = 540.76

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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.