Home / 2,239.87-3,361.01-1,317.23

Finding the Fourth Proportional to 2,239.87, 3,361.01 and 1,317.23

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Solution

The fourth proportional to 2,239.87, 3,361.01 and 1,317.23 is: 1,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.87 : 3,361.01 = 1,317.23 : x
  2. Step 2: Convert to fraction form
    2,239.87/3,361.01 = 1,317.23/x
  3. Step 3: Cross multiply
    2,239.87x = 3,361.01 × 1,317.23
  4. Step 4: Simplify right side
    2,239.87x = 4,427,223.20
  5. Step 5: Solve for x
    x = 4,427,223.20/2,239.87
  6. Step 6: Final answer
    x = 1,976.55

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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.