Home / 3,894.49-5,843.45-2,045.19

Finding the Fourth Proportional to 3,894.49, 5,843.45 and 2,045.19

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Solution

The fourth proportional to 3,894.49, 5,843.45 and 2,045.19 is: 3,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.49 : 5,843.45 = 2,045.19 : x
  2. Step 2: Convert to fraction form
    3,894.49/5,843.45 = 2,045.19/x
  3. Step 3: Cross multiply
    3,894.49x = 5,843.45 × 2,045.19
  4. Step 4: Simplify right side
    3,894.49x = 11,950,941.38
  5. Step 5: Solve for x
    x = 11,950,941.38/3,894.49
  6. Step 6: Final answer
    x = 3,068.68

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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.