Home / 3,389.67-5,085.27-1,829.64

Finding the Fourth Proportional to 3,389.67, 5,085.27 and 1,829.64

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Solution

The fourth proportional to 3,389.67, 5,085.27 and 1,829.64 is: 2,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.67 : 5,085.27 = 1,829.64 : x
  2. Step 2: Convert to fraction form
    3,389.67/5,085.27 = 1,829.64/x
  3. Step 3: Cross multiply
    3,389.67x = 5,085.27 × 1,829.64
  4. Step 4: Simplify right side
    3,389.67x = 9,304,213.40
  5. Step 5: Solve for x
    x = 9,304,213.40/3,389.67
  6. Step 6: Final answer
    x = 2,744.87

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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.