Home / 3,441.78-5,162.36-1,133.28

Finding the Fourth Proportional to 3,441.78, 5,162.36 and 1,133.28

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Solution

The fourth proportional to 3,441.78, 5,162.36 and 1,133.28 is: 1,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.78 : 5,162.36 = 1,133.28 : x
  2. Step 2: Convert to fraction form
    3,441.78/5,162.36 = 1,133.28/x
  3. Step 3: Cross multiply
    3,441.78x = 5,162.36 × 1,133.28
  4. Step 4: Simplify right side
    3,441.78x = 5,850,393.67
  5. Step 5: Solve for x
    x = 5,850,393.67/3,441.78
  6. Step 6: Final answer
    x = 1,699.82

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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.