Home / 2,649.42-3,971.88-1,673.34

Finding the Fourth Proportional to 2,649.42, 3,971.88 and 1,673.34

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Solution

The fourth proportional to 2,649.42, 3,971.88 and 1,673.34 is: 2,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.42 : 3,971.88 = 1,673.34 : x
  2. Step 2: Convert to fraction form
    2,649.42/3,971.88 = 1,673.34/x
  3. Step 3: Cross multiply
    2,649.42x = 3,971.88 × 1,673.34
  4. Step 4: Simplify right side
    2,649.42x = 6,646,305.68
  5. Step 5: Solve for x
    x = 6,646,305.68/2,649.42
  6. Step 6: Final answer
    x = 2,508.59

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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.