Home / 2,247.84-3,101.80-1,253.08

Finding the Fourth Proportional to 2,247.84, 3,101.80 and 1,253.08

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Solution

The fourth proportional to 2,247.84, 3,101.80 and 1,253.08 is: 1,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.84 : 3,101.80 = 1,253.08 : x
  2. Step 2: Convert to fraction form
    2,247.84/3,101.80 = 1,253.08/x
  3. Step 3: Cross multiply
    2,247.84x = 3,101.80 × 1,253.08
  4. Step 4: Simplify right side
    2,247.84x = 3,886,803.54
  5. Step 5: Solve for x
    x = 3,886,803.54/2,247.84
  6. Step 6: Final answer
    x = 1,729.13

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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.