Home / 3,078.24-4,610.96-1,436.16

Finding the Fourth Proportional to 3,078.24, 4,610.96 and 1,436.16

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Solution

The fourth proportional to 3,078.24, 4,610.96 and 1,436.16 is: 2,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.24 : 4,610.96 = 1,436.16 : x
  2. Step 2: Convert to fraction form
    3,078.24/4,610.96 = 1,436.16/x
  3. Step 3: Cross multiply
    3,078.24x = 4,610.96 × 1,436.16
  4. Step 4: Simplify right side
    3,078.24x = 6,622,076.31
  5. Step 5: Solve for x
    x = 6,622,076.31/3,078.24
  6. Step 6: Final answer
    x = 2,151.25

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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.