Home / 2,246.20-3,098.32-1,805.15

Finding the Fourth Proportional to 2,246.20, 3,098.32 and 1,805.15

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Solution

The fourth proportional to 2,246.20, 3,098.32 and 1,805.15 is: 2,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.20 : 3,098.32 = 1,805.15 : x
  2. Step 2: Convert to fraction form
    2,246.20/3,098.32 = 1,805.15/x
  3. Step 3: Cross multiply
    2,246.20x = 3,098.32 × 1,805.15
  4. Step 4: Simplify right side
    2,246.20x = 5,592,935.58
  5. Step 5: Solve for x
    x = 5,592,935.58/2,246.20
  6. Step 6: Final answer
    x = 2,489.96

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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.