Home / 2,247.77-3,101.85-1,253.00

Finding the Fourth Proportional to 2,247.77, 3,101.85 and 1,253.00

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Solution

The fourth proportional to 2,247.77, 3,101.85 and 1,253.00 is: 1,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.77 : 3,101.85 = 1,253.00 : x
  2. Step 2: Convert to fraction form
    2,247.77/3,101.85 = 1,253.00/x
  3. Step 3: Cross multiply
    2,247.77x = 3,101.85 × 1,253.00
  4. Step 4: Simplify right side
    2,247.77x = 3,886,625.80
  5. Step 5: Solve for x
    x = 3,886,625.80/2,247.77
  6. Step 6: Final answer
    x = 1,729.10

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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.