Home / 2,864.34-4,287.15-1,769.58

Finding the Fourth Proportional to 2,864.34, 4,287.15 and 1,769.58

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Solution

The fourth proportional to 2,864.34, 4,287.15 and 1,769.58 is: 2,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.34 : 4,287.15 = 1,769.58 : x
  2. Step 2: Convert to fraction form
    2,864.34/4,287.15 = 1,769.58/x
  3. Step 3: Cross multiply
    2,864.34x = 4,287.15 × 1,769.58
  4. Step 4: Simplify right side
    2,864.34x = 7,586,454.90
  5. Step 5: Solve for x
    x = 7,586,454.90/2,864.34
  6. Step 6: Final answer
    x = 2,648.59

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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.