Home / 2,247.74-3,101.98-1,253.02

Finding the Fourth Proportional to 2,247.74, 3,101.98 and 1,253.02

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Solution

The fourth proportional to 2,247.74, 3,101.98 and 1,253.02 is: 1,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.74 : 3,101.98 = 1,253.02 : x
  2. Step 2: Convert to fraction form
    2,247.74/3,101.98 = 1,253.02/x
  3. Step 3: Cross multiply
    2,247.74x = 3,101.98 × 1,253.02
  4. Step 4: Simplify right side
    2,247.74x = 3,886,842.98
  5. Step 5: Solve for x
    x = 3,886,842.98/2,247.74
  6. Step 6: Final answer
    x = 1,729.22

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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.