Home / 3,882.82-5,364.55-2,709.13

Finding the Fourth Proportional to 3,882.82, 5,364.55 and 2,709.13

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Solution

The fourth proportional to 3,882.82, 5,364.55 and 2,709.13 is: 3,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.82 : 5,364.55 = 2,709.13 : x
  2. Step 2: Convert to fraction form
    3,882.82/5,364.55 = 2,709.13/x
  3. Step 3: Cross multiply
    3,882.82x = 5,364.55 × 2,709.13
  4. Step 4: Simplify right side
    3,882.82x = 14,533,263.34
  5. Step 5: Solve for x
    x = 14,533,263.34/3,882.82
  6. Step 6: Final answer
    x = 3,742.97

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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.