Home / 2,584.23-3,890.97-2,278.05

Finding the Fourth Proportional to 2,584.23, 3,890.97 and 2,278.05

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Solution

The fourth proportional to 2,584.23, 3,890.97 and 2,278.05 is: 3,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.23 : 3,890.97 = 2,278.05 : x
  2. Step 2: Convert to fraction form
    2,584.23/3,890.97 = 2,278.05/x
  3. Step 3: Cross multiply
    2,584.23x = 3,890.97 × 2,278.05
  4. Step 4: Simplify right side
    2,584.23x = 8,863,824.21
  5. Step 5: Solve for x
    x = 8,863,824.21/2,584.23
  6. Step 6: Final answer
    x = 3,429.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.