Home / 2,908.13-4,012.97-1,649.30

Finding the Fourth Proportional to 2,908.13, 4,012.97 and 1,649.30

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Solution

The fourth proportional to 2,908.13, 4,012.97 and 1,649.30 is: 2,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.13 : 4,012.97 = 1,649.30 : x
  2. Step 2: Convert to fraction form
    2,908.13/4,012.97 = 1,649.30/x
  3. Step 3: Cross multiply
    2,908.13x = 4,012.97 × 1,649.30
  4. Step 4: Simplify right side
    2,908.13x = 6,618,563.11
  5. Step 5: Solve for x
    x = 6,618,563.11/2,908.13
  6. Step 6: Final answer
    x = 2,275.89

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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.