Home / 3,911.82-5,864.07-1,445.98

Finding the Fourth Proportional to 3,911.82, 5,864.07 and 1,445.98

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Solution

The fourth proportional to 3,911.82, 5,864.07 and 1,445.98 is: 2,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.82 : 5,864.07 = 1,445.98 : x
  2. Step 2: Convert to fraction form
    3,911.82/5,864.07 = 1,445.98/x
  3. Step 3: Cross multiply
    3,911.82x = 5,864.07 × 1,445.98
  4. Step 4: Simplify right side
    3,911.82x = 8,479,327.94
  5. Step 5: Solve for x
    x = 8,479,327.94/3,911.82
  6. Step 6: Final answer
    x = 2,167.62

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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.