Home / 3,003.80-4,145.99-1,942.76

Finding the Fourth Proportional to 3,003.80, 4,145.99 and 1,942.76

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Solution

The fourth proportional to 3,003.80, 4,145.99 and 1,942.76 is: 2,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.80 : 4,145.99 = 1,942.76 : x
  2. Step 2: Convert to fraction form
    3,003.80/4,145.99 = 1,942.76/x
  3. Step 3: Cross multiply
    3,003.80x = 4,145.99 × 1,942.76
  4. Step 4: Simplify right side
    3,003.80x = 8,054,642.80
  5. Step 5: Solve for x
    x = 8,054,642.80/3,003.80
  6. Step 6: Final answer
    x = 2,681.48

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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.