Home / 3,650.38-5,475.70-1,429.14

Finding the Fourth Proportional to 3,650.38, 5,475.70 and 1,429.14

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Solution

The fourth proportional to 3,650.38, 5,475.70 and 1,429.14 is: 2,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.38 : 5,475.70 = 1,429.14 : x
  2. Step 2: Convert to fraction form
    3,650.38/5,475.70 = 1,429.14/x
  3. Step 3: Cross multiply
    3,650.38x = 5,475.70 × 1,429.14
  4. Step 4: Simplify right side
    3,650.38x = 7,825,541.90
  5. Step 5: Solve for x
    x = 7,825,541.90/3,650.38
  6. Step 6: Final answer
    x = 2,143.76

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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.