Home / 1,949.04-2,689.68-1,064.85

Finding the Fourth Proportional to 1,949.04, 2,689.68 and 1,064.85

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Solution

The fourth proportional to 1,949.04, 2,689.68 and 1,064.85 is: 1,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.04 : 2,689.68 = 1,064.85 : x
  2. Step 2: Convert to fraction form
    1,949.04/2,689.68 = 1,064.85/x
  3. Step 3: Cross multiply
    1,949.04x = 2,689.68 × 1,064.85
  4. Step 4: Simplify right side
    1,949.04x = 2,864,105.75
  5. Step 5: Solve for x
    x = 2,864,105.75/1,949.04
  6. Step 6: Final answer
    x = 1,469.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.