Home / 2,261.45-3,390.96-800.41

Finding the Fourth Proportional to 2,261.45, 3,390.96 and 800.41

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Solution

The fourth proportional to 2,261.45, 3,390.96 and 800.41 is: 1,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.45 : 3,390.96 = 800.41 : x
  2. Step 2: Convert to fraction form
    2,261.45/3,390.96 = 800.41/x
  3. Step 3: Cross multiply
    2,261.45x = 3,390.96 × 800.41
  4. Step 4: Simplify right side
    2,261.45x = 2,714,154.29
  5. Step 5: Solve for x
    x = 2,714,154.29/2,261.45
  6. Step 6: Final answer
    x = 1,200.19

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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.