Home / 3,891.03-5,821.93-3,680.02

Finding the Fourth Proportional to 3,891.03, 5,821.93 and 3,680.02

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Solution

The fourth proportional to 3,891.03, 5,821.93 and 3,680.02 is: 5,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.03 : 5,821.93 = 3,680.02 : x
  2. Step 2: Convert to fraction form
    3,891.03/5,821.93 = 3,680.02/x
  3. Step 3: Cross multiply
    3,891.03x = 5,821.93 × 3,680.02
  4. Step 4: Simplify right side
    3,891.03x = 21,424,810.02
  5. Step 5: Solve for x
    x = 21,424,810.02/3,891.03
  6. Step 6: Final answer
    x = 5,506.21

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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.