Home / 2,799.24-4,193.39-2,146.79

Finding the Fourth Proportional to 2,799.24, 4,193.39 and 2,146.79

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Solution

The fourth proportional to 2,799.24, 4,193.39 and 2,146.79 is: 3,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.24 : 4,193.39 = 2,146.79 : x
  2. Step 2: Convert to fraction form
    2,799.24/4,193.39 = 2,146.79/x
  3. Step 3: Cross multiply
    2,799.24x = 4,193.39 × 2,146.79
  4. Step 4: Simplify right side
    2,799.24x = 9,002,296.02
  5. Step 5: Solve for x
    x = 9,002,296.02/2,799.24
  6. Step 6: Final answer
    x = 3,215.98

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1.5x scale

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.