Home / 1,949.92-2,921.98-1,901.62

Finding the Fourth Proportional to 1,949.92, 2,921.98 and 1,901.62

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Solution

The fourth proportional to 1,949.92, 2,921.98 and 1,901.62 is: 2,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.92 : 2,921.98 = 1,901.62 : x
  2. Step 2: Convert to fraction form
    1,949.92/2,921.98 = 1,901.62/x
  3. Step 3: Cross multiply
    1,949.92x = 2,921.98 × 1,901.62
  4. Step 4: Simplify right side
    1,949.92x = 5,556,495.61
  5. Step 5: Solve for x
    x = 5,556,495.61/1,949.92
  6. Step 6: Final answer
    x = 2,849.60

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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.