Home / 2,486.91-3,723.17-1,873.20

Finding the Fourth Proportional to 2,486.91, 3,723.17 and 1,873.20

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Solution

The fourth proportional to 2,486.91, 3,723.17 and 1,873.20 is: 2,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.91 : 3,723.17 = 1,873.20 : x
  2. Step 2: Convert to fraction form
    2,486.91/3,723.17 = 1,873.20/x
  3. Step 3: Cross multiply
    2,486.91x = 3,723.17 × 1,873.20
  4. Step 4: Simplify right side
    2,486.91x = 6,974,232.68
  5. Step 5: Solve for x
    x = 6,974,232.68/2,486.91
  6. Step 6: Final answer
    x = 2,804.38

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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.