Home / 2,116-3,174.04-1,244.62

Finding the Fourth Proportional to 2,116, 3,174.04 and 1,244.62

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Solution

The fourth proportional to 2,116, 3,174.04 and 1,244.62 is: 1,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116 : 3,174.04 = 1,244.62 : x
  2. Step 2: Convert to fraction form
    2,116/3,174.04 = 1,244.62/x
  3. Step 3: Cross multiply
    2,116x = 3,174.04 × 1,244.62
  4. Step 4: Simplify right side
    2,116x = 3,950,473.66
  5. Step 5: Solve for x
    x = 3,950,473.66/2,116
  6. Step 6: Final answer
    x = 1,866.95

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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.