Home / 3,022-4,533.88-1,290.80

Finding the Fourth Proportional to 3,022, 4,533.88 and 1,290.80

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Solution

The fourth proportional to 3,022, 4,533.88 and 1,290.80 is: 1,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022 : 4,533.88 = 1,290.80 : x
  2. Step 2: Convert to fraction form
    3,022/4,533.88 = 1,290.80/x
  3. Step 3: Cross multiply
    3,022x = 4,533.88 × 1,290.80
  4. Step 4: Simplify right side
    3,022x = 5,852,332.30
  5. Step 5: Solve for x
    x = 5,852,332.30/3,022
  6. Step 6: Final answer
    x = 1,936.58

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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.