Home / 2,242.20-3,093.87-1,247.46

Finding the Fourth Proportional to 2,242.20, 3,093.87 and 1,247.46

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Solution

The fourth proportional to 2,242.20, 3,093.87 and 1,247.46 is: 1,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.20 : 3,093.87 = 1,247.46 : x
  2. Step 2: Convert to fraction form
    2,242.20/3,093.87 = 1,247.46/x
  3. Step 3: Cross multiply
    2,242.20x = 3,093.87 × 1,247.46
  4. Step 4: Simplify right side
    2,242.20x = 3,859,479.07
  5. Step 5: Solve for x
    x = 3,859,479.07/2,242.20
  6. Step 6: Final answer
    x = 1,721.29

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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.