Home / 2,932.20-4,038.66-2,183.76

Finding the Fourth Proportional to 2,932.20, 4,038.66 and 2,183.76

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Solution

The fourth proportional to 2,932.20, 4,038.66 and 2,183.76 is: 3,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.20 : 4,038.66 = 2,183.76 : x
  2. Step 2: Convert to fraction form
    2,932.20/4,038.66 = 2,183.76/x
  3. Step 3: Cross multiply
    2,932.20x = 4,038.66 × 2,183.76
  4. Step 4: Simplify right side
    2,932.20x = 8,819,464.16
  5. Step 5: Solve for x
    x = 8,819,464.16/2,932.20
  6. Step 6: Final answer
    x = 3,007.80

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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.