Home / 3,927.08-5,890.82-1,005.42

Finding the Fourth Proportional to 3,927.08, 5,890.82 and 1,005.42

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Solution

The fourth proportional to 3,927.08, 5,890.82 and 1,005.42 is: 1,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.08 : 5,890.82 = 1,005.42 : x
  2. Step 2: Convert to fraction form
    3,927.08/5,890.82 = 1,005.42/x
  3. Step 3: Cross multiply
    3,927.08x = 5,890.82 × 1,005.42
  4. Step 4: Simplify right side
    3,927.08x = 5,922,748.24
  5. Step 5: Solve for x
    x = 5,922,748.24/3,927.08
  6. Step 6: Final answer
    x = 1,508.18

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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.