Home / 3,849.46-5,312.25-2,081.08

Finding the Fourth Proportional to 3,849.46, 5,312.25 and 2,081.08

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Solution

The fourth proportional to 3,849.46, 5,312.25 and 2,081.08 is: 2,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.46 : 5,312.25 = 2,081.08 : x
  2. Step 2: Convert to fraction form
    3,849.46/5,312.25 = 2,081.08/x
  3. Step 3: Cross multiply
    3,849.46x = 5,312.25 × 2,081.08
  4. Step 4: Simplify right side
    3,849.46x = 11,055,217.23
  5. Step 5: Solve for x
    x = 11,055,217.23/3,849.46
  6. Step 6: Final answer
    x = 2,871.89

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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.