Home / 3,028.66-4,541.45-1,386.36

Finding the Fourth Proportional to 3,028.66, 4,541.45 and 1,386.36

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Solution

The fourth proportional to 3,028.66, 4,541.45 and 1,386.36 is: 2,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.66 : 4,541.45 = 1,386.36 : x
  2. Step 2: Convert to fraction form
    3,028.66/4,541.45 = 1,386.36/x
  3. Step 3: Cross multiply
    3,028.66x = 4,541.45 × 1,386.36
  4. Step 4: Simplify right side
    3,028.66x = 6,296,084.62
  5. Step 5: Solve for x
    x = 6,296,084.62/3,028.66
  6. Step 6: Final answer
    x = 2,078.84

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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.