Home / 3,268.38-4,897.81-1,513.92

Finding the Fourth Proportional to 3,268.38, 4,897.81 and 1,513.92

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Solution

The fourth proportional to 3,268.38, 4,897.81 and 1,513.92 is: 2,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.38 : 4,897.81 = 1,513.92 : x
  2. Step 2: Convert to fraction form
    3,268.38/4,897.81 = 1,513.92/x
  3. Step 3: Cross multiply
    3,268.38x = 4,897.81 × 1,513.92
  4. Step 4: Simplify right side
    3,268.38x = 7,414,892.52
  5. Step 5: Solve for x
    x = 7,414,892.52/3,268.38
  6. Step 6: Final answer
    x = 2,268.68

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1.5x scale

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.