Home / 3,941.50-5,438.56-2,896.06

Finding the Fourth Proportional to 3,941.50, 5,438.56 and 2,896.06

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Solution

The fourth proportional to 3,941.50, 5,438.56 and 2,896.06 is: 3,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.50 : 5,438.56 = 2,896.06 : x
  2. Step 2: Convert to fraction form
    3,941.50/5,438.56 = 2,896.06/x
  3. Step 3: Cross multiply
    3,941.50x = 5,438.56 × 2,896.06
  4. Step 4: Simplify right side
    3,941.50x = 15,750,396.07
  5. Step 5: Solve for x
    x = 15,750,396.07/3,941.50
  6. Step 6: Final answer
    x = 3,996.04

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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.