Home / 2,864.78-4,289.77-2,251.61

Finding the Fourth Proportional to 2,864.78, 4,289.77 and 2,251.61

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Solution

The fourth proportional to 2,864.78, 4,289.77 and 2,251.61 is: 3,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.78 : 4,289.77 = 2,251.61 : x
  2. Step 2: Convert to fraction form
    2,864.78/4,289.77 = 2,251.61/x
  3. Step 3: Cross multiply
    2,864.78x = 4,289.77 × 2,251.61
  4. Step 4: Simplify right side
    2,864.78x = 9,658,889.03
  5. Step 5: Solve for x
    x = 9,658,889.03/2,864.78
  6. Step 6: Final answer
    x = 3,371.60

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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.