Home / 3,240.25-4,835.09-2,891.18

Finding the Fourth Proportional to 3,240.25, 4,835.09 and 2,891.18

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Solution

The fourth proportional to 3,240.25, 4,835.09 and 2,891.18 is: 4,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.25 : 4,835.09 = 2,891.18 : x
  2. Step 2: Convert to fraction form
    3,240.25/4,835.09 = 2,891.18/x
  3. Step 3: Cross multiply
    3,240.25x = 4,835.09 × 2,891.18
  4. Step 4: Simplify right side
    3,240.25x = 13,979,115.51
  5. Step 5: Solve for x
    x = 13,979,115.51/3,240.25
  6. Step 6: Final answer
    x = 4,314.22

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.