Home / 3,785.20-5,679.38-1,703.77

Finding the Fourth Proportional to 3,785.20, 5,679.38 and 1,703.77

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Solution

The fourth proportional to 3,785.20, 5,679.38 and 1,703.77 is: 2,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.20 : 5,679.38 = 1,703.77 : x
  2. Step 2: Convert to fraction form
    3,785.20/5,679.38 = 1,703.77/x
  3. Step 3: Cross multiply
    3,785.20x = 5,679.38 × 1,703.77
  4. Step 4: Simplify right side
    3,785.20x = 9,676,348.74
  5. Step 5: Solve for x
    x = 9,676,348.74/3,785.20
  6. Step 6: Final answer
    x = 2,556.36

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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.