Home / 3,785.16-5,672.46-1,442.72

Finding the Fourth Proportional to 3,785.16, 5,672.46 and 1,442.72

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Solution

The fourth proportional to 3,785.16, 5,672.46 and 1,442.72 is: 2,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.16 : 5,672.46 = 1,442.72 : x
  2. Step 2: Convert to fraction form
    3,785.16/5,672.46 = 1,442.72/x
  3. Step 3: Cross multiply
    3,785.16x = 5,672.46 × 1,442.72
  4. Step 4: Simplify right side
    3,785.16x = 8,183,771.49
  5. Step 5: Solve for x
    x = 8,183,771.49/3,785.16
  6. Step 6: Final answer
    x = 2,162.07

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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.