Home / 2,246.20-3,099.72-1,251.58

Finding the Fourth Proportional to 2,246.20, 3,099.72 and 1,251.58

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Solution

The fourth proportional to 2,246.20, 3,099.72 and 1,251.58 is: 1,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.20 : 3,099.72 = 1,251.58 : x
  2. Step 2: Convert to fraction form
    2,246.20/3,099.72 = 1,251.58/x
  3. Step 3: Cross multiply
    2,246.20x = 3,099.72 × 1,251.58
  4. Step 4: Simplify right side
    2,246.20x = 3,879,547.56
  5. Step 5: Solve for x
    x = 3,879,547.56/2,246.20
  6. Step 6: Final answer
    x = 1,727.16

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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.