Home / 2,246.86-3,100.30-1,252.12

Finding the Fourth Proportional to 2,246.86, 3,100.30 and 1,252.12

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Solution

The fourth proportional to 2,246.86, 3,100.30 and 1,252.12 is: 1,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.86 : 3,100.30 = 1,252.12 : x
  2. Step 2: Convert to fraction form
    2,246.86/3,100.30 = 1,252.12/x
  3. Step 3: Cross multiply
    2,246.86x = 3,100.30 × 1,252.12
  4. Step 4: Simplify right side
    2,246.86x = 3,881,947.64
  5. Step 5: Solve for x
    x = 3,881,947.64/2,246.86
  6. Step 6: Final answer
    x = 1,727.72

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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.