Home / 2,522.97-3,785.21-1,291.24

Finding the Fourth Proportional to 2,522.97, 3,785.21 and 1,291.24

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Solution

The fourth proportional to 2,522.97, 3,785.21 and 1,291.24 is: 1,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.97 : 3,785.21 = 1,291.24 : x
  2. Step 2: Convert to fraction form
    2,522.97/3,785.21 = 1,291.24/x
  3. Step 3: Cross multiply
    2,522.97x = 3,785.21 × 1,291.24
  4. Step 4: Simplify right side
    2,522.97x = 4,887,608.33
  5. Step 5: Solve for x
    x = 4,887,608.33/2,522.97
  6. Step 6: Final answer
    x = 1,937.24

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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.