Home / 3,822.32-5,731.58-1,356.77

Finding the Fourth Proportional to 3,822.32, 5,731.58 and 1,356.77

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Solution

The fourth proportional to 3,822.32, 5,731.58 and 1,356.77 is: 2,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.32 : 5,731.58 = 1,356.77 : x
  2. Step 2: Convert to fraction form
    3,822.32/5,731.58 = 1,356.77/x
  3. Step 3: Cross multiply
    3,822.32x = 5,731.58 × 1,356.77
  4. Step 4: Simplify right side
    3,822.32x = 7,776,435.80
  5. Step 5: Solve for x
    x = 7,776,435.80/3,822.32
  6. Step 6: Final answer
    x = 2,034.48

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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.