Home / 3,449.11-5,157.77-2,561.32

Finding the Fourth Proportional to 3,449.11, 5,157.77 and 2,561.32

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Solution

The fourth proportional to 3,449.11, 5,157.77 and 2,561.32 is: 3,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.11 : 5,157.77 = 2,561.32 : x
  2. Step 2: Convert to fraction form
    3,449.11/5,157.77 = 2,561.32/x
  3. Step 3: Cross multiply
    3,449.11x = 5,157.77 × 2,561.32
  4. Step 4: Simplify right side
    3,449.11x = 13,210,660.86
  5. Step 5: Solve for x
    x = 13,210,660.86/3,449.11
  6. Step 6: Final answer
    x = 3,830.17

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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.