Home / 2,079.20-2,863.68-1,923.44

Finding the Fourth Proportional to 2,079.20, 2,863.68 and 1,923.44

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Solution

The fourth proportional to 2,079.20, 2,863.68 and 1,923.44 is: 2,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.20 : 2,863.68 = 1,923.44 : x
  2. Step 2: Convert to fraction form
    2,079.20/2,863.68 = 1,923.44/x
  3. Step 3: Cross multiply
    2,079.20x = 2,863.68 × 1,923.44
  4. Step 4: Simplify right side
    2,079.20x = 5,508,116.66
  5. Step 5: Solve for x
    x = 5,508,116.66/2,079.20
  6. Step 6: Final answer
    x = 2,649.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.