Home / 3,688.28-5,531.64-1,222.52

Finding the Fourth Proportional to 3,688.28, 5,531.64 and 1,222.52

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Solution

The fourth proportional to 3,688.28, 5,531.64 and 1,222.52 is: 1,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.28 : 5,531.64 = 1,222.52 : x
  2. Step 2: Convert to fraction form
    3,688.28/5,531.64 = 1,222.52/x
  3. Step 3: Cross multiply
    3,688.28x = 5,531.64 × 1,222.52
  4. Step 4: Simplify right side
    3,688.28x = 6,762,540.53
  5. Step 5: Solve for x
    x = 6,762,540.53/3,688.28
  6. Step 6: Final answer
    x = 1,833.52

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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.