Home / 3,785.24-5,676.24-1,187.58

Finding the Fourth Proportional to 3,785.24, 5,676.24 and 1,187.58

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Solution

The fourth proportional to 3,785.24, 5,676.24 and 1,187.58 is: 1,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.24 : 5,676.24 = 1,187.58 : x
  2. Step 2: Convert to fraction form
    3,785.24/5,676.24 = 1,187.58/x
  3. Step 3: Cross multiply
    3,785.24x = 5,676.24 × 1,187.58
  4. Step 4: Simplify right side
    3,785.24x = 6,740,989.10
  5. Step 5: Solve for x
    x = 6,740,989.10/3,785.24
  6. Step 6: Final answer
    x = 1,780.86

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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.