Home / 3,785.26-5,678.09-1,152.56

Finding the Fourth Proportional to 3,785.26, 5,678.09 and 1,152.56

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Solution

The fourth proportional to 3,785.26, 5,678.09 and 1,152.56 is: 1,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.26 : 5,678.09 = 1,152.56 : x
  2. Step 2: Convert to fraction form
    3,785.26/5,678.09 = 1,152.56/x
  3. Step 3: Cross multiply
    3,785.26x = 5,678.09 × 1,152.56
  4. Step 4: Simplify right side
    3,785.26x = 6,544,350.72
  5. Step 5: Solve for x
    x = 6,544,350.72/3,785.26
  6. Step 6: Final answer
    x = 1,728.90

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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.