Home / 3,467.80-4,785.24-1,976.05

Finding the Fourth Proportional to 3,467.80, 4,785.24 and 1,976.05

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Solution

The fourth proportional to 3,467.80, 4,785.24 and 1,976.05 is: 2,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.80 : 4,785.24 = 1,976.05 : x
  2. Step 2: Convert to fraction form
    3,467.80/4,785.24 = 1,976.05/x
  3. Step 3: Cross multiply
    3,467.80x = 4,785.24 × 1,976.05
  4. Step 4: Simplify right side
    3,467.80x = 9,455,873.50
  5. Step 5: Solve for x
    x = 9,455,873.50/3,467.80
  6. Step 6: Final answer
    x = 2,726.76

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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.