Home / 2,920.97-4,382.37-1,046.88

Finding the Fourth Proportional to 2,920.97, 4,382.37 and 1,046.88

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Solution

The fourth proportional to 2,920.97, 4,382.37 and 1,046.88 is: 1,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.97 : 4,382.37 = 1,046.88 : x
  2. Step 2: Convert to fraction form
    2,920.97/4,382.37 = 1,046.88/x
  3. Step 3: Cross multiply
    2,920.97x = 4,382.37 × 1,046.88
  4. Step 4: Simplify right side
    2,920.97x = 4,587,811.58
  5. Step 5: Solve for x
    x = 4,587,811.58/2,920.97
  6. Step 6: Final answer
    x = 1,570.65

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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.