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Finding the Fourth Proportional to 3,805.30, 5,707.87 and 1,753.30

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Solution

The fourth proportional to 3,805.30, 5,707.87 and 1,753.30 is: 2,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.30 : 5,707.87 = 1,753.30 : x
  2. Step 2: Convert to fraction form
    3,805.30/5,707.87 = 1,753.30/x
  3. Step 3: Cross multiply
    3,805.30x = 5,707.87 × 1,753.30
  4. Step 4: Simplify right side
    3,805.30x = 10,007,608.47
  5. Step 5: Solve for x
    x = 10,007,608.47/3,805.30
  6. Step 6: Final answer
    x = 2,629.91

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1.5x scale

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.