Home / 2,249.20-3,374.04-788.44

Finding the Fourth Proportional to 2,249.20, 3,374.04 and 788.44

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Solution

The fourth proportional to 2,249.20, 3,374.04 and 788.44 is: 1,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.20 : 3,374.04 = 788.44 : x
  2. Step 2: Convert to fraction form
    2,249.20/3,374.04 = 788.44/x
  3. Step 3: Cross multiply
    2,249.20x = 3,374.04 × 788.44
  4. Step 4: Simplify right side
    2,249.20x = 2,660,228.10
  5. Step 5: Solve for x
    x = 2,660,228.10/2,249.20
  6. Step 6: Final answer
    x = 1,182.74

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1.5x scale

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.