Home / 2,178.87-3,003.92-1,704.93

Finding the Fourth Proportional to 2,178.87, 3,003.92 and 1,704.93

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Solution

The fourth proportional to 2,178.87, 3,003.92 and 1,704.93 is: 2,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.87 : 3,003.92 = 1,704.93 : x
  2. Step 2: Convert to fraction form
    2,178.87/3,003.92 = 1,704.93/x
  3. Step 3: Cross multiply
    2,178.87x = 3,003.92 × 1,704.93
  4. Step 4: Simplify right side
    2,178.87x = 5,121,464.80
  5. Step 5: Solve for x
    x = 5,121,464.80/2,178.87
  6. Step 6: Final answer
    x = 2,350.51

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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.