Home / 3,688.03-5,531.49-1,222.54

Finding the Fourth Proportional to 3,688.03, 5,531.49 and 1,222.54

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Solution

The fourth proportional to 3,688.03, 5,531.49 and 1,222.54 is: 1,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.03 : 5,531.49 = 1,222.54 : x
  2. Step 2: Convert to fraction form
    3,688.03/5,531.49 = 1,222.54/x
  3. Step 3: Cross multiply
    3,688.03x = 5,531.49 × 1,222.54
  4. Step 4: Simplify right side
    3,688.03x = 6,762,485.07
  5. Step 5: Solve for x
    x = 6,762,485.07/3,688.03
  6. Step 6: Final answer
    x = 1,833.63

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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.