Home / 2,246.80-3,100.48-1,252.06

Finding the Fourth Proportional to 2,246.80, 3,100.48 and 1,252.06

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Solution

The fourth proportional to 2,246.80, 3,100.48 and 1,252.06 is: 1,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.80 : 3,100.48 = 1,252.06 : x
  2. Step 2: Convert to fraction form
    2,246.80/3,100.48 = 1,252.06/x
  3. Step 3: Cross multiply
    2,246.80x = 3,100.48 × 1,252.06
  4. Step 4: Simplify right side
    2,246.80x = 3,881,986.99
  5. Step 5: Solve for x
    x = 3,881,986.99/2,246.80
  6. Step 6: Final answer
    x = 1,727.78

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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.