Home / 2,443.46-3,665.75-800.15

Finding the Fourth Proportional to 2,443.46, 3,665.75 and 800.15

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Solution

The fourth proportional to 2,443.46, 3,665.75 and 800.15 is: 1,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.46 : 3,665.75 = 800.15 : x
  2. Step 2: Convert to fraction form
    2,443.46/3,665.75 = 800.15/x
  3. Step 3: Cross multiply
    2,443.46x = 3,665.75 × 800.15
  4. Step 4: Simplify right side
    2,443.46x = 2,933,127.53
  5. Step 5: Solve for x
    x = 2,933,127.53/2,443.46
  6. Step 6: Final answer
    x = 1,200.40

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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.