Home / 1,958.44-2,937.30-788.98

Finding the Fourth Proportional to 1,958.44, 2,937.30 and 788.98

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Solution

The fourth proportional to 1,958.44, 2,937.30 and 788.98 is: 1,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.44 : 2,937.30 = 788.98 : x
  2. Step 2: Convert to fraction form
    1,958.44/2,937.30 = 788.98/x
  3. Step 3: Cross multiply
    1,958.44x = 2,937.30 × 788.98
  4. Step 4: Simplify right side
    1,958.44x = 2,317,470.95
  5. Step 5: Solve for x
    x = 2,317,470.95/1,958.44
  6. Step 6: Final answer
    x = 1,183.32

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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.