Home / 3,971.70-5,476.41-2,849.04

Finding the Fourth Proportional to 3,971.70, 5,476.41 and 2,849.04

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Solution

The fourth proportional to 3,971.70, 5,476.41 and 2,849.04 is: 3,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.70 : 5,476.41 = 2,849.04 : x
  2. Step 2: Convert to fraction form
    3,971.70/5,476.41 = 2,849.04/x
  3. Step 3: Cross multiply
    3,971.70x = 5,476.41 × 2,849.04
  4. Step 4: Simplify right side
    3,971.70x = 15,602,511.15
  5. Step 5: Solve for x
    x = 15,602,511.15/3,971.70
  6. Step 6: Final answer
    x = 3,928.42

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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.