Home / 2,865.78-4,287.33-2,046.06

Finding the Fourth Proportional to 2,865.78, 4,287.33 and 2,046.06

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Solution

The fourth proportional to 2,865.78, 4,287.33 and 2,046.06 is: 3,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.78 : 4,287.33 = 2,046.06 : x
  2. Step 2: Convert to fraction form
    2,865.78/4,287.33 = 2,046.06/x
  3. Step 3: Cross multiply
    2,865.78x = 4,287.33 × 2,046.06
  4. Step 4: Simplify right side
    2,865.78x = 8,772,134.42
  5. Step 5: Solve for x
    x = 8,772,134.42/2,865.78
  6. Step 6: Final answer
    x = 3,060.99

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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.