Home / 2,251.38-3,106.68-1,256.58

Finding the Fourth Proportional to 2,251.38, 3,106.68 and 1,256.58

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Solution

The fourth proportional to 2,251.38, 3,106.68 and 1,256.58 is: 1,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.38 : 3,106.68 = 1,256.58 : x
  2. Step 2: Convert to fraction form
    2,251.38/3,106.68 = 1,256.58/x
  3. Step 3: Cross multiply
    2,251.38x = 3,106.68 × 1,256.58
  4. Step 4: Simplify right side
    2,251.38x = 3,903,791.95
  5. Step 5: Solve for x
    x = 3,903,791.95/2,251.38
  6. Step 6: Final answer
    x = 1,733.96

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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.