Home / 3,634.10-5,438.55-2,174.30

Finding the Fourth Proportional to 3,634.10, 5,438.55 and 2,174.30

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Solution

The fourth proportional to 3,634.10, 5,438.55 and 2,174.30 is: 3,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.10 : 5,438.55 = 2,174.30 : x
  2. Step 2: Convert to fraction form
    3,634.10/5,438.55 = 2,174.30/x
  3. Step 3: Cross multiply
    3,634.10x = 5,438.55 × 2,174.30
  4. Step 4: Simplify right side
    3,634.10x = 11,825,039.27
  5. Step 5: Solve for x
    x = 11,825,039.27/3,634.10
  6. Step 6: Final answer
    x = 3,253.91

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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.