Home / 4,081.35-5,632.34-2,312.92

Finding the Fourth Proportional to 4,081.35, 5,632.34 and 2,312.92

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Solution

The fourth proportional to 4,081.35, 5,632.34 and 2,312.92 is: 3,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.35 : 5,632.34 = 2,312.92 : x
  2. Step 2: Convert to fraction form
    4,081.35/5,632.34 = 2,312.92/x
  3. Step 3: Cross multiply
    4,081.35x = 5,632.34 × 2,312.92
  4. Step 4: Simplify right side
    4,081.35x = 13,027,147.31
  5. Step 5: Solve for x
    x = 13,027,147.31/4,081.35
  6. Step 6: Final answer
    x = 3,191.87

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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.