Home / 2,382.45-3,574.19-1,212.62

Finding the Fourth Proportional to 2,382.45, 3,574.19 and 1,212.62

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Solution

The fourth proportional to 2,382.45, 3,574.19 and 1,212.62 is: 1,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.45 : 3,574.19 = 1,212.62 : x
  2. Step 2: Convert to fraction form
    2,382.45/3,574.19 = 1,212.62/x
  3. Step 3: Cross multiply
    2,382.45x = 3,574.19 × 1,212.62
  4. Step 4: Simplify right side
    2,382.45x = 4,334,134.28
  5. Step 5: Solve for x
    x = 4,334,134.28/2,382.45
  6. Step 6: Final answer
    x = 1,819.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.