Home / 3,019.26-4,165.50-2,389.89

Finding the Fourth Proportional to 3,019.26, 4,165.50 and 2,389.89

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Solution

The fourth proportional to 3,019.26, 4,165.50 and 2,389.89 is: 3,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.26 : 4,165.50 = 2,389.89 : x
  2. Step 2: Convert to fraction form
    3,019.26/4,165.50 = 2,389.89/x
  3. Step 3: Cross multiply
    3,019.26x = 4,165.50 × 2,389.89
  4. Step 4: Simplify right side
    3,019.26x = 9,955,086.80
  5. Step 5: Solve for x
    x = 9,955,086.80/3,019.26
  6. Step 6: Final answer
    x = 3,297.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.