Home / 3,822.80-5,736.77-1,357.66

Finding the Fourth Proportional to 3,822.80, 5,736.77 and 1,357.66

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Solution

The fourth proportional to 3,822.80, 5,736.77 and 1,357.66 is: 2,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.80 : 5,736.77 = 1,357.66 : x
  2. Step 2: Convert to fraction form
    3,822.80/5,736.77 = 1,357.66/x
  3. Step 3: Cross multiply
    3,822.80x = 5,736.77 × 1,357.66
  4. Step 4: Simplify right side
    3,822.80x = 7,788,596.27
  5. Step 5: Solve for x
    x = 7,788,596.27/3,822.80
  6. Step 6: Final answer
    x = 2,037.41

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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.