Home / 2,110.55-3,165.83-2,002.55

Finding the Fourth Proportional to 2,110.55, 3,165.83 and 2,002.55

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Solution

The fourth proportional to 2,110.55, 3,165.83 and 2,002.55 is: 3,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.55 : 3,165.83 = 2,002.55 : x
  2. Step 2: Convert to fraction form
    2,110.55/3,165.83 = 2,002.55/x
  3. Step 3: Cross multiply
    2,110.55x = 3,165.83 × 2,002.55
  4. Step 4: Simplify right side
    2,110.55x = 6,339,722.85
  5. Step 5: Solve for x
    x = 6,339,722.85/2,110.55
  6. Step 6: Final answer
    x = 3,003.83

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1.5x scale

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.