Home / 2,246.92-3,100.80-1,252.30

Finding the Fourth Proportional to 2,246.92, 3,100.80 and 1,252.30

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Solution

The fourth proportional to 2,246.92, 3,100.80 and 1,252.30 is: 1,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.92 : 3,100.80 = 1,252.30 : x
  2. Step 2: Convert to fraction form
    2,246.92/3,100.80 = 1,252.30/x
  3. Step 3: Cross multiply
    2,246.92x = 3,100.80 × 1,252.30
  4. Step 4: Simplify right side
    2,246.92x = 3,883,131.84
  5. Step 5: Solve for x
    x = 3,883,131.84/2,246.92
  6. Step 6: Final answer
    x = 1,728.20

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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.