Home / 2,788.59-4,179.30-1,143.16

Finding the Fourth Proportional to 2,788.59, 4,179.30 and 1,143.16

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Solution

The fourth proportional to 2,788.59, 4,179.30 and 1,143.16 is: 1,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.59 : 4,179.30 = 1,143.16 : x
  2. Step 2: Convert to fraction form
    2,788.59/4,179.30 = 1,143.16/x
  3. Step 3: Cross multiply
    2,788.59x = 4,179.30 × 1,143.16
  4. Step 4: Simplify right side
    2,788.59x = 4,777,608.59
  5. Step 5: Solve for x
    x = 4,777,608.59/2,788.59
  6. Step 6: Final answer
    x = 1,713.27

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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.