Home / 2,263.18-3,121.65-1,843.55

Finding the Fourth Proportional to 2,263.18, 3,121.65 and 1,843.55

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Solution

The fourth proportional to 2,263.18, 3,121.65 and 1,843.55 is: 2,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.18 : 3,121.65 = 1,843.55 : x
  2. Step 2: Convert to fraction form
    2,263.18/3,121.65 = 1,843.55/x
  3. Step 3: Cross multiply
    2,263.18x = 3,121.65 × 1,843.55
  4. Step 4: Simplify right side
    2,263.18x = 5,754,917.86
  5. Step 5: Solve for x
    x = 5,754,917.86/2,263.18
  6. Step 6: Final answer
    x = 2,542.85

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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.