Home / 3,583.40-5,375.78-1,243.31

Finding the Fourth Proportional to 3,583.40, 5,375.78 and 1,243.31

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Solution

The fourth proportional to 3,583.40, 5,375.78 and 1,243.31 is: 1,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.40 : 5,375.78 = 1,243.31 : x
  2. Step 2: Convert to fraction form
    3,583.40/5,375.78 = 1,243.31/x
  3. Step 3: Cross multiply
    3,583.40x = 5,375.78 × 1,243.31
  4. Step 4: Simplify right side
    3,583.40x = 6,683,761.03
  5. Step 5: Solve for x
    x = 6,683,761.03/3,583.40
  6. Step 6: Final answer
    x = 1,865.20

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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.