Home / 1,949.45-2,929.77-1,622.43

Finding the Fourth Proportional to 1,949.45, 2,929.77 and 1,622.43

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Solution

The fourth proportional to 1,949.45, 2,929.77 and 1,622.43 is: 2,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.45 : 2,929.77 = 1,622.43 : x
  2. Step 2: Convert to fraction form
    1,949.45/2,929.77 = 1,622.43/x
  3. Step 3: Cross multiply
    1,949.45x = 2,929.77 × 1,622.43
  4. Step 4: Simplify right side
    1,949.45x = 4,753,346.74
  5. Step 5: Solve for x
    x = 4,753,346.74/1,949.45
  6. Step 6: Final answer
    x = 2,438.31

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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.