Home / 1,800.56-2,702.66-1,151.75

Finding the Fourth Proportional to 1,800.56, 2,702.66 and 1,151.75

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Solution

The fourth proportional to 1,800.56, 2,702.66 and 1,151.75 is: 1,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.56 : 2,702.66 = 1,151.75 : x
  2. Step 2: Convert to fraction form
    1,800.56/2,702.66 = 1,151.75/x
  3. Step 3: Cross multiply
    1,800.56x = 2,702.66 × 1,151.75
  4. Step 4: Simplify right side
    1,800.56x = 3,112,769.38
  5. Step 5: Solve for x
    x = 3,112,769.38/1,800.56
  6. Step 6: Final answer
    x = 1,728.78

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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.