Home / 2,183.60-3,275.41-1,143.91

Finding the Fourth Proportional to 2,183.60, 3,275.41 and 1,143.91

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Solution

The fourth proportional to 2,183.60, 3,275.41 and 1,143.91 is: 1,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.60 : 3,275.41 = 1,143.91 : x
  2. Step 2: Convert to fraction form
    2,183.60/3,275.41 = 1,143.91/x
  3. Step 3: Cross multiply
    2,183.60x = 3,275.41 × 1,143.91
  4. Step 4: Simplify right side
    2,183.60x = 3,746,760.35
  5. Step 5: Solve for x
    x = 3,746,760.35/2,183.60
  6. Step 6: Final answer
    x = 1,715.87

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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.