Home / 2,278.15-3,418.07-962.24

Finding the Fourth Proportional to 2,278.15, 3,418.07 and 962.24

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Solution

The fourth proportional to 2,278.15, 3,418.07 and 962.24 is: 1,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.15 : 3,418.07 = 962.24 : x
  2. Step 2: Convert to fraction form
    2,278.15/3,418.07 = 962.24/x
  3. Step 3: Cross multiply
    2,278.15x = 3,418.07 × 962.24
  4. Step 4: Simplify right side
    2,278.15x = 3,289,003.68
  5. Step 5: Solve for x
    x = 3,289,003.68/2,278.15
  6. Step 6: Final answer
    x = 1,443.72

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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.