Home / 3,110.16-4,665.32-801.68

Finding the Fourth Proportional to 3,110.16, 4,665.32 and 801.68

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Solution

The fourth proportional to 3,110.16, 4,665.32 and 801.68 is: 1,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.16 : 4,665.32 = 801.68 : x
  2. Step 2: Convert to fraction form
    3,110.16/4,665.32 = 801.68/x
  3. Step 3: Cross multiply
    3,110.16x = 4,665.32 × 801.68
  4. Step 4: Simplify right side
    3,110.16x = 3,740,093.74
  5. Step 5: Solve for x
    x = 3,740,093.74/3,110.16
  6. Step 6: Final answer
    x = 1,202.54

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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.