Home / 3,274.47-4,518.68-1,858.12

Finding the Fourth Proportional to 3,274.47, 4,518.68 and 1,858.12

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Solution

The fourth proportional to 3,274.47, 4,518.68 and 1,858.12 is: 2,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.47 : 4,518.68 = 1,858.12 : x
  2. Step 2: Convert to fraction form
    3,274.47/4,518.68 = 1,858.12/x
  3. Step 3: Cross multiply
    3,274.47x = 4,518.68 × 1,858.12
  4. Step 4: Simplify right side
    3,274.47x = 8,396,229.09
  5. Step 5: Solve for x
    x = 8,396,229.09/3,274.47
  6. Step 6: Final answer
    x = 2,564.15

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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.