Home / 2,584.26-3,890.94-2,278.08

Finding the Fourth Proportional to 2,584.26, 3,890.94 and 2,278.08

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Solution

The fourth proportional to 2,584.26, 3,890.94 and 2,278.08 is: 3,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.26 : 3,890.94 = 2,278.08 : x
  2. Step 2: Convert to fraction form
    2,584.26/3,890.94 = 2,278.08/x
  3. Step 3: Cross multiply
    2,584.26x = 3,890.94 × 2,278.08
  4. Step 4: Simplify right side
    2,584.26x = 8,863,872.60
  5. Step 5: Solve for x
    x = 8,863,872.60/2,584.26
  6. Step 6: Final answer
    x = 3,429.95

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1.5x scale

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.