Home / 2,003.20-2,764.24-1,206.66

Finding the Fourth Proportional to 2,003.20, 2,764.24 and 1,206.66

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Solution

The fourth proportional to 2,003.20, 2,764.24 and 1,206.66 is: 1,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.20 : 2,764.24 = 1,206.66 : x
  2. Step 2: Convert to fraction form
    2,003.20/2,764.24 = 1,206.66/x
  3. Step 3: Cross multiply
    2,003.20x = 2,764.24 × 1,206.66
  4. Step 4: Simplify right side
    2,003.20x = 3,335,497.84
  5. Step 5: Solve for x
    x = 3,335,497.84/2,003.20
  6. Step 6: Final answer
    x = 1,665.08

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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.