Home / 3,750.55-5,631.90-2,110.30

Finding the Fourth Proportional to 3,750.55, 5,631.90 and 2,110.30

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Solution

The fourth proportional to 3,750.55, 5,631.90 and 2,110.30 is: 3,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.55 : 5,631.90 = 2,110.30 : x
  2. Step 2: Convert to fraction form
    3,750.55/5,631.90 = 2,110.30/x
  3. Step 3: Cross multiply
    3,750.55x = 5,631.90 × 2,110.30
  4. Step 4: Simplify right side
    3,750.55x = 11,884,998.57
  5. Step 5: Solve for x
    x = 11,884,998.57/3,750.55
  6. Step 6: Final answer
    x = 3,168.87

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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.