Home / 4,039.20-5,574-2,641.92

Finding the Fourth Proportional to 4,039.20, 5,574 and 2,641.92

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Solution

The fourth proportional to 4,039.20, 5,574 and 2,641.92 is: 3,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.20 : 5,574 = 2,641.92 : x
  2. Step 2: Convert to fraction form
    4,039.20/5,574 = 2,641.92/x
  3. Step 3: Cross multiply
    4,039.20x = 5,574 × 2,641.92
  4. Step 4: Simplify right side
    4,039.20x = 14,726,062.08
  5. Step 5: Solve for x
    x = 14,726,062.08/4,039.20
  6. Step 6: Final answer
    x = 3,645.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.