Home / 2,247.75-3,101.99-1,253.16

Finding the Fourth Proportional to 2,247.75, 3,101.99 and 1,253.16

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Solution

The fourth proportional to 2,247.75, 3,101.99 and 1,253.16 is: 1,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.75 : 3,101.99 = 1,253.16 : x
  2. Step 2: Convert to fraction form
    2,247.75/3,101.99 = 1,253.16/x
  3. Step 3: Cross multiply
    2,247.75x = 3,101.99 × 1,253.16
  4. Step 4: Simplify right side
    2,247.75x = 3,887,283.52
  5. Step 5: Solve for x
    x = 3,887,283.52/2,247.75
  6. Step 6: Final answer
    x = 1,729.41

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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.