Home / 2,920.91-4,382.17-1,360.85

Finding the Fourth Proportional to 2,920.91, 4,382.17 and 1,360.85

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Solution

The fourth proportional to 2,920.91, 4,382.17 and 1,360.85 is: 2,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.91 : 4,382.17 = 1,360.85 : x
  2. Step 2: Convert to fraction form
    2,920.91/4,382.17 = 1,360.85/x
  3. Step 3: Cross multiply
    2,920.91x = 4,382.17 × 1,360.85
  4. Step 4: Simplify right side
    2,920.91x = 5,963,450.73
  5. Step 5: Solve for x
    x = 5,963,450.73/2,920.91
  6. Step 6: Final answer
    x = 2,041.64

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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.