Home / 3,243.47-4,863.99-2,551.49

Finding the Fourth Proportional to 3,243.47, 4,863.99 and 2,551.49

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Solution

The fourth proportional to 3,243.47, 4,863.99 and 2,551.49 is: 3,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.47 : 4,863.99 = 2,551.49 : x
  2. Step 2: Convert to fraction form
    3,243.47/4,863.99 = 2,551.49/x
  3. Step 3: Cross multiply
    3,243.47x = 4,863.99 × 2,551.49
  4. Step 4: Simplify right side
    3,243.47x = 12,410,421.85
  5. Step 5: Solve for x
    x = 12,410,421.85/3,243.47
  6. Step 6: Final answer
    x = 3,826.28

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1.5x scale

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.