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Finding the Fourth Proportional to 2,698.92, 3,723.19 and 2,325.25

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Solution

The fourth proportional to 2,698.92, 3,723.19 and 2,325.25 is: 3,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.92 : 3,723.19 = 2,325.25 : x
  2. Step 2: Convert to fraction form
    2,698.92/3,723.19 = 2,325.25/x
  3. Step 3: Cross multiply
    2,698.92x = 3,723.19 × 2,325.25
  4. Step 4: Simplify right side
    2,698.92x = 8,657,346.39
  5. Step 5: Solve for x
    x = 8,657,346.39/2,698.92
  6. Step 6: Final answer
    x = 3,207.71

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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.