Home / 1,958.24-2,701.92-1,367.84

Finding the Fourth Proportional to 1,958.24, 2,701.92 and 1,367.84

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Solution

The fourth proportional to 1,958.24, 2,701.92 and 1,367.84 is: 1,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.24 : 2,701.92 = 1,367.84 : x
  2. Step 2: Convert to fraction form
    1,958.24/2,701.92 = 1,367.84/x
  3. Step 3: Cross multiply
    1,958.24x = 2,701.92 × 1,367.84
  4. Step 4: Simplify right side
    1,958.24x = 3,695,794.25
  5. Step 5: Solve for x
    x = 3,695,794.25/1,958.24
  6. Step 6: Final answer
    x = 1,887.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.