Home / 2,023.50-2,791.77-1,278.24

Finding the Fourth Proportional to 2,023.50, 2,791.77 and 1,278.24

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Solution

The fourth proportional to 2,023.50, 2,791.77 and 1,278.24 is: 1,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.50 : 2,791.77 = 1,278.24 : x
  2. Step 2: Convert to fraction form
    2,023.50/2,791.77 = 1,278.24/x
  3. Step 3: Cross multiply
    2,023.50x = 2,791.77 × 1,278.24
  4. Step 4: Simplify right side
    2,023.50x = 3,568,552.08
  5. Step 5: Solve for x
    x = 3,568,552.08/2,023.50
  6. Step 6: Final answer
    x = 1,763.55

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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.