Home / 2,799.39-4,193.61-2,146.95

Finding the Fourth Proportional to 2,799.39, 4,193.61 and 2,146.95

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Solution

The fourth proportional to 2,799.39, 4,193.61 and 2,146.95 is: 3,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.39 : 4,193.61 = 2,146.95 : x
  2. Step 2: Convert to fraction form
    2,799.39/4,193.61 = 2,146.95/x
  3. Step 3: Cross multiply
    2,799.39x = 4,193.61 × 2,146.95
  4. Step 4: Simplify right side
    2,799.39x = 9,003,470.99
  5. Step 5: Solve for x
    x = 9,003,470.99/2,799.39
  6. Step 6: Final answer
    x = 3,216.23

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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.