Home / 3,873.32-5,345.19-2,104.95

Finding the Fourth Proportional to 3,873.32, 5,345.19 and 2,104.95

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Solution

The fourth proportional to 3,873.32, 5,345.19 and 2,104.95 is: 2,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.32 : 5,345.19 = 2,104.95 : x
  2. Step 2: Convert to fraction form
    3,873.32/5,345.19 = 2,104.95/x
  3. Step 3: Cross multiply
    3,873.32x = 5,345.19 × 2,104.95
  4. Step 4: Simplify right side
    3,873.32x = 11,251,357.69
  5. Step 5: Solve for x
    x = 11,251,357.69/3,873.32
  6. Step 6: Final answer
    x = 2,904.84

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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.