Home / 2,589.10-3,880.18-944.09

Finding the Fourth Proportional to 2,589.10, 3,880.18 and 944.09

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Solution

The fourth proportional to 2,589.10, 3,880.18 and 944.09 is: 1,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.10 : 3,880.18 = 944.09 : x
  2. Step 2: Convert to fraction form
    2,589.10/3,880.18 = 944.09/x
  3. Step 3: Cross multiply
    2,589.10x = 3,880.18 × 944.09
  4. Step 4: Simplify right side
    2,589.10x = 3,663,239.14
  5. Step 5: Solve for x
    x = 3,663,239.14/2,589.10
  6. Step 6: Final answer
    x = 1,414.87

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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.