Home / 2,246.34-3,100.14-1,251.78

Finding the Fourth Proportional to 2,246.34, 3,100.14 and 1,251.78

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Solution

The fourth proportional to 2,246.34, 3,100.14 and 1,251.78 is: 1,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.34 : 3,100.14 = 1,251.78 : x
  2. Step 2: Convert to fraction form
    2,246.34/3,100.14 = 1,251.78/x
  3. Step 3: Cross multiply
    2,246.34x = 3,100.14 × 1,251.78
  4. Step 4: Simplify right side
    2,246.34x = 3,880,693.25
  5. Step 5: Solve for x
    x = 3,880,693.25/2,246.34
  6. Step 6: Final answer
    x = 1,727.56

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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.