Home / 3,890.73-5,838.55-2,043.16

Finding the Fourth Proportional to 3,890.73, 5,838.55 and 2,043.16

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Solution

The fourth proportional to 3,890.73, 5,838.55 and 2,043.16 is: 3,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.73 : 5,838.55 = 2,043.16 : x
  2. Step 2: Convert to fraction form
    3,890.73/5,838.55 = 2,043.16/x
  3. Step 3: Cross multiply
    3,890.73x = 5,838.55 × 2,043.16
  4. Step 4: Simplify right side
    3,890.73x = 11,929,072.11
  5. Step 5: Solve for x
    x = 11,929,072.11/3,890.73
  6. Step 6: Final answer
    x = 3,066.02

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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.