Home / 3,993.29-5,513.96-2,577.68

Finding the Fourth Proportional to 3,993.29, 5,513.96 and 2,577.68

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Solution

The fourth proportional to 3,993.29, 5,513.96 and 2,577.68 is: 3,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.29 : 5,513.96 = 2,577.68 : x
  2. Step 2: Convert to fraction form
    3,993.29/5,513.96 = 2,577.68/x
  3. Step 3: Cross multiply
    3,993.29x = 5,513.96 × 2,577.68
  4. Step 4: Simplify right side
    3,993.29x = 14,213,224.41
  5. Step 5: Solve for x
    x = 14,213,224.41/3,993.29
  6. Step 6: Final answer
    x = 3,559.28

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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.