Home / 2,949.41-4,418.15-1,387.23

Finding the Fourth Proportional to 2,949.41, 4,418.15 and 1,387.23

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Solution

The fourth proportional to 2,949.41, 4,418.15 and 1,387.23 is: 2,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.41 : 4,418.15 = 1,387.23 : x
  2. Step 2: Convert to fraction form
    2,949.41/4,418.15 = 1,387.23/x
  3. Step 3: Cross multiply
    2,949.41x = 4,418.15 × 1,387.23
  4. Step 4: Simplify right side
    2,949.41x = 6,128,966.72
  5. Step 5: Solve for x
    x = 6,128,966.72/2,949.41
  6. Step 6: Final answer
    x = 2,078.03

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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.