Home / 3,369.33-5,050.53-1,288.85

Finding the Fourth Proportional to 3,369.33, 5,050.53 and 1,288.85

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Solution

The fourth proportional to 3,369.33, 5,050.53 and 1,288.85 is: 1,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.33 : 5,050.53 = 1,288.85 : x
  2. Step 2: Convert to fraction form
    3,369.33/5,050.53 = 1,288.85/x
  3. Step 3: Cross multiply
    3,369.33x = 5,050.53 × 1,288.85
  4. Step 4: Simplify right side
    3,369.33x = 6,509,350.34
  5. Step 5: Solve for x
    x = 6,509,350.34/3,369.33
  6. Step 6: Final answer
    x = 1,931.94

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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.