Home / 2,297.91-3,171.69-1,303.79

Finding the Fourth Proportional to 2,297.91, 3,171.69 and 1,303.79

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Solution

The fourth proportional to 2,297.91, 3,171.69 and 1,303.79 is: 1,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.91 : 3,171.69 = 1,303.79 : x
  2. Step 2: Convert to fraction form
    2,297.91/3,171.69 = 1,303.79/x
  3. Step 3: Cross multiply
    2,297.91x = 3,171.69 × 1,303.79
  4. Step 4: Simplify right side
    2,297.91x = 4,135,201.85
  5. Step 5: Solve for x
    x = 4,135,201.85/2,297.91
  6. Step 6: Final answer
    x = 1,799.55

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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.