Home / 3,287.85-4,537.56-1,961.55

Finding the Fourth Proportional to 3,287.85, 4,537.56 and 1,961.55

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Solution

The fourth proportional to 3,287.85, 4,537.56 and 1,961.55 is: 2,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.85 : 4,537.56 = 1,961.55 : x
  2. Step 2: Convert to fraction form
    3,287.85/4,537.56 = 1,961.55/x
  3. Step 3: Cross multiply
    3,287.85x = 4,537.56 × 1,961.55
  4. Step 4: Simplify right side
    3,287.85x = 8,900,641.01
  5. Step 5: Solve for x
    x = 8,900,641.01/3,287.85
  6. Step 6: Final answer
    x = 2,707.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.