Home / 3,849.43-5,312.22-2,081.03

Finding the Fourth Proportional to 3,849.43, 5,312.22 and 2,081.03

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Solution

The fourth proportional to 3,849.43, 5,312.22 and 2,081.03 is: 2,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.43 : 5,312.22 = 2,081.03 : x
  2. Step 2: Convert to fraction form
    3,849.43/5,312.22 = 2,081.03/x
  3. Step 3: Cross multiply
    3,849.43x = 5,312.22 × 2,081.03
  4. Step 4: Simplify right side
    3,849.43x = 11,054,889.19
  5. Step 5: Solve for x
    x = 11,054,889.19/3,849.43
  6. Step 6: Final answer
    x = 2,871.82

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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.