Home / 2,183.55-3,013.29-1,188.92

Finding the Fourth Proportional to 2,183.55, 3,013.29 and 1,188.92

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Solution

The fourth proportional to 2,183.55, 3,013.29 and 1,188.92 is: 1,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.55 : 3,013.29 = 1,188.92 : x
  2. Step 2: Convert to fraction form
    2,183.55/3,013.29 = 1,188.92/x
  3. Step 3: Cross multiply
    2,183.55x = 3,013.29 × 1,188.92
  4. Step 4: Simplify right side
    2,183.55x = 3,582,545.68
  5. Step 5: Solve for x
    x = 3,582,545.68/2,183.55
  6. Step 6: Final answer
    x = 1,640.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.