Home / 2,269.46-3,403.38-788.30

Finding the Fourth Proportional to 2,269.46, 3,403.38 and 788.30

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Solution

The fourth proportional to 2,269.46, 3,403.38 and 788.30 is: 1,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.46 : 3,403.38 = 788.30 : x
  2. Step 2: Convert to fraction form
    2,269.46/3,403.38 = 788.30/x
  3. Step 3: Cross multiply
    2,269.46x = 3,403.38 × 788.30
  4. Step 4: Simplify right side
    2,269.46x = 2,682,884.45
  5. Step 5: Solve for x
    x = 2,682,884.45/2,269.46
  6. Step 6: Final answer
    x = 1,182.17

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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.