Home / 2,864.57-4,288.33-2,563.88

Finding the Fourth Proportional to 2,864.57, 4,288.33 and 2,563.88

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Solution

The fourth proportional to 2,864.57, 4,288.33 and 2,563.88 is: 3,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.57 : 4,288.33 = 2,563.88 : x
  2. Step 2: Convert to fraction form
    2,864.57/4,288.33 = 2,563.88/x
  3. Step 3: Cross multiply
    2,864.57x = 4,288.33 × 2,563.88
  4. Step 4: Simplify right side
    2,864.57x = 10,994,753.74
  5. Step 5: Solve for x
    x = 10,994,753.74/2,864.57
  6. Step 6: Final answer
    x = 3,838.19

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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.