Home / 2,908.61-4,013.22-1,649.36

Finding the Fourth Proportional to 2,908.61, 4,013.22 and 1,649.36

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Solution

The fourth proportional to 2,908.61, 4,013.22 and 1,649.36 is: 2,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.61 : 4,013.22 = 1,649.36 : x
  2. Step 2: Convert to fraction form
    2,908.61/4,013.22 = 1,649.36/x
  3. Step 3: Cross multiply
    2,908.61x = 4,013.22 × 1,649.36
  4. Step 4: Simplify right side
    2,908.61x = 6,619,256.12
  5. Step 5: Solve for x
    x = 6,619,256.12/2,908.61
  6. Step 6: Final answer
    x = 2,275.75

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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.