Home / 2,246.72-3,100.38-1,252.09

Finding the Fourth Proportional to 2,246.72, 3,100.38 and 1,252.09

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Solution

The fourth proportional to 2,246.72, 3,100.38 and 1,252.09 is: 1,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.72 : 3,100.38 = 1,252.09 : x
  2. Step 2: Convert to fraction form
    2,246.72/3,100.38 = 1,252.09/x
  3. Step 3: Cross multiply
    2,246.72x = 3,100.38 × 1,252.09
  4. Step 4: Simplify right side
    2,246.72x = 3,881,953.97
  5. Step 5: Solve for x
    x = 3,881,953.97/2,246.72
  6. Step 6: Final answer
    x = 1,727.83

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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.