Home / 2,246.87-3,100.78-1,252.09

Finding the Fourth Proportional to 2,246.87, 3,100.78 and 1,252.09

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Solution

The fourth proportional to 2,246.87, 3,100.78 and 1,252.09 is: 1,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.87 : 3,100.78 = 1,252.09 : x
  2. Step 2: Convert to fraction form
    2,246.87/3,100.78 = 1,252.09/x
  3. Step 3: Cross multiply
    2,246.87x = 3,100.78 × 1,252.09
  4. Step 4: Simplify right side
    2,246.87x = 3,882,461.07
  5. Step 5: Solve for x
    x = 3,882,461.07/2,246.87
  6. Step 6: Final answer
    x = 1,727.94

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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.