Home / 2,865.54-4,286.43-2,690.58

Finding the Fourth Proportional to 2,865.54, 4,286.43 and 2,690.58

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Solution

The fourth proportional to 2,865.54, 4,286.43 and 2,690.58 is: 4,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.54 : 4,286.43 = 2,690.58 : x
  2. Step 2: Convert to fraction form
    2,865.54/4,286.43 = 2,690.58/x
  3. Step 3: Cross multiply
    2,865.54x = 4,286.43 × 2,690.58
  4. Step 4: Simplify right side
    2,865.54x = 11,532,982.83
  5. Step 5: Solve for x
    x = 11,532,982.83/2,865.54
  6. Step 6: Final answer
    x = 4,024.72

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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.