Home / 2,861.73-4,290.17-1,763.64

Finding the Fourth Proportional to 2,861.73, 4,290.17 and 1,763.64

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Solution

The fourth proportional to 2,861.73, 4,290.17 and 1,763.64 is: 2,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.73 : 4,290.17 = 1,763.64 : x
  2. Step 2: Convert to fraction form
    2,861.73/4,290.17 = 1,763.64/x
  3. Step 3: Cross multiply
    2,861.73x = 4,290.17 × 1,763.64
  4. Step 4: Simplify right side
    2,861.73x = 7,566,306.60
  5. Step 5: Solve for x
    x = 7,566,306.60/2,861.73
  6. Step 6: Final answer
    x = 2,643.96

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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.