Home / 3,787.98-5,682-1,322.82

Finding the Fourth Proportional to 3,787.98, 5,682 and 1,322.82

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Solution

The fourth proportional to 3,787.98, 5,682 and 1,322.82 is: 1,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.98 : 5,682 = 1,322.82 : x
  2. Step 2: Convert to fraction form
    3,787.98/5,682 = 1,322.82/x
  3. Step 3: Cross multiply
    3,787.98x = 5,682 × 1,322.82
  4. Step 4: Simplify right side
    3,787.98x = 7,516,263.24
  5. Step 5: Solve for x
    x = 7,516,263.24/3,787.98
  6. Step 6: Final answer
    x = 1,984.24

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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.