Home / 3,485.55-5,228.33-2,103.15

Finding the Fourth Proportional to 3,485.55, 5,228.33 and 2,103.15

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Solution

The fourth proportional to 3,485.55, 5,228.33 and 2,103.15 is: 3,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.55 : 5,228.33 = 2,103.15 : x
  2. Step 2: Convert to fraction form
    3,485.55/5,228.33 = 2,103.15/x
  3. Step 3: Cross multiply
    3,485.55x = 5,228.33 × 2,103.15
  4. Step 4: Simplify right side
    3,485.55x = 10,995,951.72
  5. Step 5: Solve for x
    x = 10,995,951.72/3,485.55
  6. Step 6: Final answer
    x = 3,154.73

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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.