Home / 2,247.06-3,101.02-1,302.78

Finding the Fourth Proportional to 2,247.06, 3,101.02 and 1,302.78

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Solution

The fourth proportional to 2,247.06, 3,101.02 and 1,302.78 is: 1,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.06 : 3,101.02 = 1,302.78 : x
  2. Step 2: Convert to fraction form
    2,247.06/3,101.02 = 1,302.78/x
  3. Step 3: Cross multiply
    2,247.06x = 3,101.02 × 1,302.78
  4. Step 4: Simplify right side
    2,247.06x = 4,039,946.84
  5. Step 5: Solve for x
    x = 4,039,946.84/2,247.06
  6. Step 6: Final answer
    x = 1,797.88

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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.