Home / 3,164.40-4,747.29-1,216.59

Finding the Fourth Proportional to 3,164.40, 4,747.29 and 1,216.59

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Solution

The fourth proportional to 3,164.40, 4,747.29 and 1,216.59 is: 1,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.40 : 4,747.29 = 1,216.59 : x
  2. Step 2: Convert to fraction form
    3,164.40/4,747.29 = 1,216.59/x
  3. Step 3: Cross multiply
    3,164.40x = 4,747.29 × 1,216.59
  4. Step 4: Simplify right side
    3,164.40x = 5,775,505.54
  5. Step 5: Solve for x
    x = 5,775,505.54/3,164.40
  6. Step 6: Final answer
    x = 1,825.15

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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.