Home / 3,838.03-5,752.31-1,988.08

Finding the Fourth Proportional to 3,838.03, 5,752.31 and 1,988.08

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Solution

The fourth proportional to 3,838.03, 5,752.31 and 1,988.08 is: 2,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.03 : 5,752.31 = 1,988.08 : x
  2. Step 2: Convert to fraction form
    3,838.03/5,752.31 = 1,988.08/x
  3. Step 3: Cross multiply
    3,838.03x = 5,752.31 × 1,988.08
  4. Step 4: Simplify right side
    3,838.03x = 11,436,028.14
  5. Step 5: Solve for x
    x = 11,436,028.14/3,838.03
  6. Step 6: Final answer
    x = 2,979.66

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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.