Home / 1,950.12-2,921.88-1,179

Finding the Fourth Proportional to 1,950.12, 2,921.88 and 1,179

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Solution

The fourth proportional to 1,950.12, 2,921.88 and 1,179 is: 1,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.12 : 2,921.88 = 1,179 : x
  2. Step 2: Convert to fraction form
    1,950.12/2,921.88 = 1,179/x
  3. Step 3: Cross multiply
    1,950.12x = 2,921.88 × 1,179
  4. Step 4: Simplify right side
    1,950.12x = 3,444,896.52
  5. Step 5: Solve for x
    x = 3,444,896.52/1,950.12
  6. Step 6: Final answer
    x = 1,766.50

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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.