Home / 4,081.16-5,631.82-2,312.73

Finding the Fourth Proportional to 4,081.16, 5,631.82 and 2,312.73

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Solution

The fourth proportional to 4,081.16, 5,631.82 and 2,312.73 is: 3,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.16 : 5,631.82 = 2,312.73 : x
  2. Step 2: Convert to fraction form
    4,081.16/5,631.82 = 2,312.73/x
  3. Step 3: Cross multiply
    4,081.16x = 5,631.82 × 2,312.73
  4. Step 4: Simplify right side
    4,081.16x = 13,024,873.29
  5. Step 5: Solve for x
    x = 13,024,873.29/4,081.16
  6. Step 6: Final answer
    x = 3,191.46

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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.