Home / 4,081.92-5,632.88-2,313.42

Finding the Fourth Proportional to 4,081.92, 5,632.88 and 2,313.42

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Solution

The fourth proportional to 4,081.92, 5,632.88 and 2,313.42 is: 3,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.92 : 5,632.88 = 2,313.42 : x
  2. Step 2: Convert to fraction form
    4,081.92/5,632.88 = 2,313.42/x
  3. Step 3: Cross multiply
    4,081.92x = 5,632.88 × 2,313.42
  4. Step 4: Simplify right side
    4,081.92x = 13,031,217.25
  5. Step 5: Solve for x
    x = 13,031,217.25/4,081.92
  6. Step 6: Final answer
    x = 3,192.42

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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.