Home / 2,977.26-4,107.15-2,418.36

Finding the Fourth Proportional to 2,977.26, 4,107.15 and 2,418.36

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Solution

The fourth proportional to 2,977.26, 4,107.15 and 2,418.36 is: 3,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.26 : 4,107.15 = 2,418.36 : x
  2. Step 2: Convert to fraction form
    2,977.26/4,107.15 = 2,418.36/x
  3. Step 3: Cross multiply
    2,977.26x = 4,107.15 × 2,418.36
  4. Step 4: Simplify right side
    2,977.26x = 9,932,567.27
  5. Step 5: Solve for x
    x = 9,932,567.27/2,977.26
  6. Step 6: Final answer
    x = 3,336.14

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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.