Home / 2,299.22-3,172.88-1,251.26

Finding the Fourth Proportional to 2,299.22, 3,172.88 and 1,251.26

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Solution

The fourth proportional to 2,299.22, 3,172.88 and 1,251.26 is: 1,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.22 : 3,172.88 = 1,251.26 : x
  2. Step 2: Convert to fraction form
    2,299.22/3,172.88 = 1,251.26/x
  3. Step 3: Cross multiply
    2,299.22x = 3,172.88 × 1,251.26
  4. Step 4: Simplify right side
    2,299.22x = 3,970,097.83
  5. Step 5: Solve for x
    x = 3,970,097.83/2,299.22
  6. Step 6: Final answer
    x = 1,726.72

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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.