Home / 2,908.43-4,012.73-1,649.39

Finding the Fourth Proportional to 2,908.43, 4,012.73 and 1,649.39

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Solution

The fourth proportional to 2,908.43, 4,012.73 and 1,649.39 is: 2,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.43 : 4,012.73 = 1,649.39 : x
  2. Step 2: Convert to fraction form
    2,908.43/4,012.73 = 1,649.39/x
  3. Step 3: Cross multiply
    2,908.43x = 4,012.73 × 1,649.39
  4. Step 4: Simplify right side
    2,908.43x = 6,618,563.37
  5. Step 5: Solve for x
    x = 6,618,563.37/2,908.43
  6. Step 6: Final answer
    x = 2,275.64

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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.