Home / 3,022.25-4,533.78-1,291.28

Finding the Fourth Proportional to 3,022.25, 4,533.78 and 1,291.28

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Solution

The fourth proportional to 3,022.25, 4,533.78 and 1,291.28 is: 1,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.25 : 4,533.78 = 1,291.28 : x
  2. Step 2: Convert to fraction form
    3,022.25/4,533.78 = 1,291.28/x
  3. Step 3: Cross multiply
    3,022.25x = 4,533.78 × 1,291.28
  4. Step 4: Simplify right side
    3,022.25x = 5,854,379.44
  5. Step 5: Solve for x
    x = 5,854,379.44/3,022.25
  6. Step 6: Final answer
    x = 1,937.09

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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.