Home / 2,764.17-4,146.22-1,120.70

Finding the Fourth Proportional to 2,764.17, 4,146.22 and 1,120.70

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Solution

The fourth proportional to 2,764.17, 4,146.22 and 1,120.70 is: 1,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.17 : 4,146.22 = 1,120.70 : x
  2. Step 2: Convert to fraction form
    2,764.17/4,146.22 = 1,120.70/x
  3. Step 3: Cross multiply
    2,764.17x = 4,146.22 × 1,120.70
  4. Step 4: Simplify right side
    2,764.17x = 4,646,668.75
  5. Step 5: Solve for x
    x = 4,646,668.75/2,764.17
  6. Step 6: Final answer
    x = 1,681.04

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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.