Home / 1,493.64-2,238.30-799.74

Finding the Fourth Proportional to 1,493.64, 2,238.30 and 799.74

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Solution

The fourth proportional to 1,493.64, 2,238.30 and 799.74 is: 1,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.64 : 2,238.30 = 799.74 : x
  2. Step 2: Convert to fraction form
    1,493.64/2,238.30 = 799.74/x
  3. Step 3: Cross multiply
    1,493.64x = 2,238.30 × 799.74
  4. Step 4: Simplify right side
    1,493.64x = 1,790,058.04
  5. Step 5: Solve for x
    x = 1,790,058.04/1,493.64
  6. Step 6: Final answer
    x = 1,198.45

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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.