Home / 3,394.40-5,079.22-2,803.92

Finding the Fourth Proportional to 3,394.40, 5,079.22 and 2,803.92

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Solution

The fourth proportional to 3,394.40, 5,079.22 and 2,803.92 is: 4,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.40 : 5,079.22 = 2,803.92 : x
  2. Step 2: Convert to fraction form
    3,394.40/5,079.22 = 2,803.92/x
  3. Step 3: Cross multiply
    3,394.40x = 5,079.22 × 2,803.92
  4. Step 4: Simplify right side
    3,394.40x = 14,241,726.54
  5. Step 5: Solve for x
    x = 14,241,726.54/3,394.40
  6. Step 6: Final answer
    x = 4,195.65

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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.