Home / 2,581.64-3,873.68-1,349.63

Finding the Fourth Proportional to 2,581.64, 3,873.68 and 1,349.63

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Solution

The fourth proportional to 2,581.64, 3,873.68 and 1,349.63 is: 2,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.64 : 3,873.68 = 1,349.63 : x
  2. Step 2: Convert to fraction form
    2,581.64/3,873.68 = 1,349.63/x
  3. Step 3: Cross multiply
    2,581.64x = 3,873.68 × 1,349.63
  4. Step 4: Simplify right side
    2,581.64x = 5,228,008.62
  5. Step 5: Solve for x
    x = 5,228,008.62/2,581.64
  6. Step 6: Final answer
    x = 2,025.08

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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.