Home / 3,168.72-4,367.63-2,538.14

Finding the Fourth Proportional to 3,168.72, 4,367.63 and 2,538.14

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Solution

The fourth proportional to 3,168.72, 4,367.63 and 2,538.14 is: 3,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.72 : 4,367.63 = 2,538.14 : x
  2. Step 2: Convert to fraction form
    3,168.72/4,367.63 = 2,538.14/x
  3. Step 3: Cross multiply
    3,168.72x = 4,367.63 × 2,538.14
  4. Step 4: Simplify right side
    3,168.72x = 11,085,640.92
  5. Step 5: Solve for x
    x = 11,085,640.92/3,168.72
  6. Step 6: Final answer
    x = 3,498.46

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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.