Home / 3,821.90-5,719.89-2,283.98

Finding the Fourth Proportional to 3,821.90, 5,719.89 and 2,283.98

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Solution

The fourth proportional to 3,821.90, 5,719.89 and 2,283.98 is: 3,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.90 : 5,719.89 = 2,283.98 : x
  2. Step 2: Convert to fraction form
    3,821.90/5,719.89 = 2,283.98/x
  3. Step 3: Cross multiply
    3,821.90x = 5,719.89 × 2,283.98
  4. Step 4: Simplify right side
    3,821.90x = 13,064,114.36
  5. Step 5: Solve for x
    x = 13,064,114.36/3,821.90
  6. Step 6: Final answer
    x = 3,418.23

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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.