Home / 1,949-2,917.68-1,488.46

Finding the Fourth Proportional to 1,949, 2,917.68 and 1,488.46

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Solution

The fourth proportional to 1,949, 2,917.68 and 1,488.46 is: 2,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949 : 2,917.68 = 1,488.46 : x
  2. Step 2: Convert to fraction form
    1,949/2,917.68 = 1,488.46/x
  3. Step 3: Cross multiply
    1,949x = 2,917.68 × 1,488.46
  4. Step 4: Simplify right side
    1,949x = 4,342,849.97
  5. Step 5: Solve for x
    x = 4,342,849.97/1,949
  6. Step 6: Final answer
    x = 2,228.25

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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.