Home / 2,589.10-3,883.65-2,228.38

Finding the Fourth Proportional to 2,589.10, 3,883.65 and 2,228.38

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Solution

The fourth proportional to 2,589.10, 3,883.65 and 2,228.38 is: 3,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.10 : 3,883.65 = 2,228.38 : x
  2. Step 2: Convert to fraction form
    2,589.10/3,883.65 = 2,228.38/x
  3. Step 3: Cross multiply
    2,589.10x = 3,883.65 × 2,228.38
  4. Step 4: Simplify right side
    2,589.10x = 8,654,247.99
  5. Step 5: Solve for x
    x = 8,654,247.99/2,589.10
  6. Step 6: Final answer
    x = 3,342.57

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Similar ratio
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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.