Home / 3,843.15-5,765.63-1,246.08

Finding the Fourth Proportional to 3,843.15, 5,765.63 and 1,246.08

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Solution

The fourth proportional to 3,843.15, 5,765.63 and 1,246.08 is: 1,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.15 : 5,765.63 = 1,246.08 : x
  2. Step 2: Convert to fraction form
    3,843.15/5,765.63 = 1,246.08/x
  3. Step 3: Cross multiply
    3,843.15x = 5,765.63 × 1,246.08
  4. Step 4: Simplify right side
    3,843.15x = 7,184,451.62
  5. Step 5: Solve for x
    x = 7,184,451.62/3,843.15
  6. Step 6: Final answer
    x = 1,869.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.