Home / 2,649.11-3,973.69-800.24

Finding the Fourth Proportional to 2,649.11, 3,973.69 and 800.24

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Solution

The fourth proportional to 2,649.11, 3,973.69 and 800.24 is: 1,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.11 : 3,973.69 = 800.24 : x
  2. Step 2: Convert to fraction form
    2,649.11/3,973.69 = 800.24/x
  3. Step 3: Cross multiply
    2,649.11x = 3,973.69 × 800.24
  4. Step 4: Simplify right side
    2,649.11x = 3,179,881.82
  5. Step 5: Solve for x
    x = 3,179,881.82/2,649.11
  6. Step 6: Final answer
    x = 1,200.36

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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.