Home / 2,247.28-3,100.76-1,363.12

Finding the Fourth Proportional to 2,247.28, 3,100.76 and 1,363.12

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Solution

The fourth proportional to 2,247.28, 3,100.76 and 1,363.12 is: 1,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.28 : 3,100.76 = 1,363.12 : x
  2. Step 2: Convert to fraction form
    2,247.28/3,100.76 = 1,363.12/x
  3. Step 3: Cross multiply
    2,247.28x = 3,100.76 × 1,363.12
  4. Step 4: Simplify right side
    2,247.28x = 4,226,707.97
  5. Step 5: Solve for x
    x = 4,226,707.97/2,247.28
  6. Step 6: Final answer
    x = 1,880.81

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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.