Home / 3,403.74-5,101.99-1,939.75

Finding the Fourth Proportional to 3,403.74, 5,101.99 and 1,939.75

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Solution

The fourth proportional to 3,403.74, 5,101.99 and 1,939.75 is: 2,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.74 : 5,101.99 = 1,939.75 : x
  2. Step 2: Convert to fraction form
    3,403.74/5,101.99 = 1,939.75/x
  3. Step 3: Cross multiply
    3,403.74x = 5,101.99 × 1,939.75
  4. Step 4: Simplify right side
    3,403.74x = 9,896,585.10
  5. Step 5: Solve for x
    x = 9,896,585.10/3,403.74
  6. Step 6: Final answer
    x = 2,907.56

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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.