Home / 2,110.85-3,166.20-956.60

Finding the Fourth Proportional to 2,110.85, 3,166.20 and 956.60

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Solution

The fourth proportional to 2,110.85, 3,166.20 and 956.60 is: 1,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.85 : 3,166.20 = 956.60 : x
  2. Step 2: Convert to fraction form
    2,110.85/3,166.20 = 956.60/x
  3. Step 3: Cross multiply
    2,110.85x = 3,166.20 × 956.60
  4. Step 4: Simplify right side
    2,110.85x = 3,028,786.92
  5. Step 5: Solve for x
    x = 3,028,786.92/2,110.85
  6. Step 6: Final answer
    x = 1,434.87

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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.