Home / 2,418.60-3,338.46-2,207.16

Finding the Fourth Proportional to 2,418.60, 3,338.46 and 2,207.16

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Solution

The fourth proportional to 2,418.60, 3,338.46 and 2,207.16 is: 3,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.60 : 3,338.46 = 2,207.16 : x
  2. Step 2: Convert to fraction form
    2,418.60/3,338.46 = 2,207.16/x
  3. Step 3: Cross multiply
    2,418.60x = 3,338.46 × 2,207.16
  4. Step 4: Simplify right side
    2,418.60x = 7,368,515.37
  5. Step 5: Solve for x
    x = 7,368,515.37/2,418.60
  6. Step 6: Final answer
    x = 3,046.60

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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.