Home / 1,211.24-1,807.57-1,180.52

Finding the Fourth Proportional to 1,211.24, 1,807.57 and 1,180.52

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Solution

The fourth proportional to 1,211.24, 1,807.57 and 1,180.52 is: 1,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211.24 : 1,807.57 = 1,180.52 : x
  2. Step 2: Convert to fraction form
    1,211.24/1,807.57 = 1,180.52/x
  3. Step 3: Cross multiply
    1,211.24x = 1,807.57 × 1,180.52
  4. Step 4: Simplify right side
    1,211.24x = 2,133,872.54
  5. Step 5: Solve for x
    x = 2,133,872.54/1,211.24
  6. Step 6: Final answer
    x = 1,761.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.