Home / 2,277.96-3,416.94-979.13

Finding the Fourth Proportional to 2,277.96, 3,416.94 and 979.13

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Solution

The fourth proportional to 2,277.96, 3,416.94 and 979.13 is: 1,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.96 : 3,416.94 = 979.13 : x
  2. Step 2: Convert to fraction form
    2,277.96/3,416.94 = 979.13/x
  3. Step 3: Cross multiply
    2,277.96x = 3,416.94 × 979.13
  4. Step 4: Simplify right side
    2,277.96x = 3,345,611.38
  5. Step 5: Solve for x
    x = 3,345,611.38/2,277.96
  6. Step 6: Final answer
    x = 1,468.69

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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.