Home / 2,788.14-4,182.76-1,144.66

Finding the Fourth Proportional to 2,788.14, 4,182.76 and 1,144.66

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Solution

The fourth proportional to 2,788.14, 4,182.76 and 1,144.66 is: 1,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.14 : 4,182.76 = 1,144.66 : x
  2. Step 2: Convert to fraction form
    2,788.14/4,182.76 = 1,144.66/x
  3. Step 3: Cross multiply
    2,788.14x = 4,182.76 × 1,144.66
  4. Step 4: Simplify right side
    2,788.14x = 4,787,838.06
  5. Step 5: Solve for x
    x = 4,787,838.06/2,788.14
  6. Step 6: Final answer
    x = 1,717.22

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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.