Home / 3,028.47-4,168.60-2,187.82

Finding the Fourth Proportional to 3,028.47, 4,168.60 and 2,187.82

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Solution

The fourth proportional to 3,028.47, 4,168.60 and 2,187.82 is: 3,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.47 : 4,168.60 = 2,187.82 : x
  2. Step 2: Convert to fraction form
    3,028.47/4,168.60 = 2,187.82/x
  3. Step 3: Cross multiply
    3,028.47x = 4,168.60 × 2,187.82
  4. Step 4: Simplify right side
    3,028.47x = 9,120,146.45
  5. Step 5: Solve for x
    x = 9,120,146.45/3,028.47
  6. Step 6: Final answer
    x = 3,011.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.