Home / 3,165.82-4,737.08-1,911.94

Finding the Fourth Proportional to 3,165.82, 4,737.08 and 1,911.94

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Solution

The fourth proportional to 3,165.82, 4,737.08 and 1,911.94 is: 2,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.82 : 4,737.08 = 1,911.94 : x
  2. Step 2: Convert to fraction form
    3,165.82/4,737.08 = 1,911.94/x
  3. Step 3: Cross multiply
    3,165.82x = 4,737.08 × 1,911.94
  4. Step 4: Simplify right side
    3,165.82x = 9,057,012.74
  5. Step 5: Solve for x
    x = 9,057,012.74/3,165.82
  6. Step 6: Final answer
    x = 2,860.87

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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.