Home / 2,649.41-3,973.46-800.38

Finding the Fourth Proportional to 2,649.41, 3,973.46 and 800.38

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Solution

The fourth proportional to 2,649.41, 3,973.46 and 800.38 is: 1,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.41 : 3,973.46 = 800.38 : x
  2. Step 2: Convert to fraction form
    2,649.41/3,973.46 = 800.38/x
  3. Step 3: Cross multiply
    2,649.41x = 3,973.46 × 800.38
  4. Step 4: Simplify right side
    2,649.41x = 3,180,278.88
  5. Step 5: Solve for x
    x = 3,180,278.88/2,649.41
  6. Step 6: Final answer
    x = 1,200.37

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1.5x scale

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.