Home / 3,688.03-5,531.46-1,222.75

Finding the Fourth Proportional to 3,688.03, 5,531.46 and 1,222.75

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Solution

The fourth proportional to 3,688.03, 5,531.46 and 1,222.75 is: 1,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.03 : 5,531.46 = 1,222.75 : x
  2. Step 2: Convert to fraction form
    3,688.03/5,531.46 = 1,222.75/x
  3. Step 3: Cross multiply
    3,688.03x = 5,531.46 × 1,222.75
  4. Step 4: Simplify right side
    3,688.03x = 6,763,592.72
  5. Step 5: Solve for x
    x = 6,763,592.72/3,688.03
  6. Step 6: Final answer
    x = 1,833.93

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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.