Home / 3,838.08-5,744.74-1,986.65

Finding the Fourth Proportional to 3,838.08, 5,744.74 and 1,986.65

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Solution

The fourth proportional to 3,838.08, 5,744.74 and 1,986.65 is: 2,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.08 : 5,744.74 = 1,986.65 : x
  2. Step 2: Convert to fraction form
    3,838.08/5,744.74 = 1,986.65/x
  3. Step 3: Cross multiply
    3,838.08x = 5,744.74 × 1,986.65
  4. Step 4: Simplify right side
    3,838.08x = 11,412,787.72
  5. Step 5: Solve for x
    x = 11,412,787.72/3,838.08
  6. Step 6: Final answer
    x = 2,973.57

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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.