Home / 2,246.42-3,100.11-1,251.80

Finding the Fourth Proportional to 2,246.42, 3,100.11 and 1,251.80

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Solution

The fourth proportional to 2,246.42, 3,100.11 and 1,251.80 is: 1,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.42 : 3,100.11 = 1,251.80 : x
  2. Step 2: Convert to fraction form
    2,246.42/3,100.11 = 1,251.80/x
  3. Step 3: Cross multiply
    2,246.42x = 3,100.11 × 1,251.80
  4. Step 4: Simplify right side
    2,246.42x = 3,880,717.70
  5. Step 5: Solve for x
    x = 3,880,717.70/2,246.42
  6. Step 6: Final answer
    x = 1,727.51

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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.