Home / 2,183.52-3,013.24-1,188.84

Finding the Fourth Proportional to 2,183.52, 3,013.24 and 1,188.84

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Solution

The fourth proportional to 2,183.52, 3,013.24 and 1,188.84 is: 1,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.52 : 3,013.24 = 1,188.84 : x
  2. Step 2: Convert to fraction form
    2,183.52/3,013.24 = 1,188.84/x
  3. Step 3: Cross multiply
    2,183.52x = 3,013.24 × 1,188.84
  4. Step 4: Simplify right side
    2,183.52x = 3,582,260.24
  5. Step 5: Solve for x
    x = 3,582,260.24/2,183.52
  6. Step 6: Final answer
    x = 1,640.59

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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.