Home / 3,881.08-5,825.64-1,934.72

Finding the Fourth Proportional to 3,881.08, 5,825.64 and 1,934.72

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Solution

The fourth proportional to 3,881.08, 5,825.64 and 1,934.72 is: 2,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.08 : 5,825.64 = 1,934.72 : x
  2. Step 2: Convert to fraction form
    3,881.08/5,825.64 = 1,934.72/x
  3. Step 3: Cross multiply
    3,881.08x = 5,825.64 × 1,934.72
  4. Step 4: Simplify right side
    3,881.08x = 11,270,982.22
  5. Step 5: Solve for x
    x = 11,270,982.22/3,881.08
  6. Step 6: Final answer
    x = 2,904.08

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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.