Home / 3,670.25-5,062.91-2,489.27

Finding the Fourth Proportional to 3,670.25, 5,062.91 and 2,489.27

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Solution

The fourth proportional to 3,670.25, 5,062.91 and 2,489.27 is: 3,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.25 : 5,062.91 = 2,489.27 : x
  2. Step 2: Convert to fraction form
    3,670.25/5,062.91 = 2,489.27/x
  3. Step 3: Cross multiply
    3,670.25x = 5,062.91 × 2,489.27
  4. Step 4: Simplify right side
    3,670.25x = 12,602,912.21
  5. Step 5: Solve for x
    x = 12,602,912.21/3,670.25
  6. Step 6: Final answer
    x = 3,433.81

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1.5x scale

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.