Home / 2,277.45-3,416.71-717.55

Finding the Fourth Proportional to 2,277.45, 3,416.71 and 717.55

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Solution

The fourth proportional to 2,277.45, 3,416.71 and 717.55 is: 1,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.45 : 3,416.71 = 717.55 : x
  2. Step 2: Convert to fraction form
    2,277.45/3,416.71 = 717.55/x
  3. Step 3: Cross multiply
    2,277.45x = 3,416.71 × 717.55
  4. Step 4: Simplify right side
    2,277.45x = 2,451,660.26
  5. Step 5: Solve for x
    x = 2,451,660.26/2,277.45
  6. Step 6: Final answer
    x = 1,076.49

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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.