Home / 3,485.18-5,227.56-2,936.40

Finding the Fourth Proportional to 3,485.18, 5,227.56 and 2,936.40

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Solution

The fourth proportional to 3,485.18, 5,227.56 and 2,936.40 is: 4,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.18 : 5,227.56 = 2,936.40 : x
  2. Step 2: Convert to fraction form
    3,485.18/5,227.56 = 2,936.40/x
  3. Step 3: Cross multiply
    3,485.18x = 5,227.56 × 2,936.40
  4. Step 4: Simplify right side
    3,485.18x = 15,350,207.18
  5. Step 5: Solve for x
    x = 15,350,207.18/3,485.18
  6. Step 6: Final answer
    x = 4,404.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.