Home / 3,753.02-5,629.80-1,288.10

Finding the Fourth Proportional to 3,753.02, 5,629.80 and 1,288.10

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Solution

The fourth proportional to 3,753.02, 5,629.80 and 1,288.10 is: 1,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.02 : 5,629.80 = 1,288.10 : x
  2. Step 2: Convert to fraction form
    3,753.02/5,629.80 = 1,288.10/x
  3. Step 3: Cross multiply
    3,753.02x = 5,629.80 × 1,288.10
  4. Step 4: Simplify right side
    3,753.02x = 7,251,745.38
  5. Step 5: Solve for x
    x = 7,251,745.38/3,753.02
  6. Step 6: Final answer
    x = 1,932.24

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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.