Home / 1,764.18-2,640.20-1,146.96

Finding the Fourth Proportional to 1,764.18, 2,640.20 and 1,146.96

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Solution

The fourth proportional to 1,764.18, 2,640.20 and 1,146.96 is: 1,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.18 : 2,640.20 = 1,146.96 : x
  2. Step 2: Convert to fraction form
    1,764.18/2,640.20 = 1,146.96/x
  3. Step 3: Cross multiply
    1,764.18x = 2,640.20 × 1,146.96
  4. Step 4: Simplify right side
    1,764.18x = 3,028,198.06
  5. Step 5: Solve for x
    x = 3,028,198.06/1,764.18
  6. Step 6: Final answer
    x = 1,716.49

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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.