Home / 3,449.81-5,171.08-1,692.38

Finding the Fourth Proportional to 3,449.81, 5,171.08 and 1,692.38

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Solution

The fourth proportional to 3,449.81, 5,171.08 and 1,692.38 is: 2,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.81 : 5,171.08 = 1,692.38 : x
  2. Step 2: Convert to fraction form
    3,449.81/5,171.08 = 1,692.38/x
  3. Step 3: Cross multiply
    3,449.81x = 5,171.08 × 1,692.38
  4. Step 4: Simplify right side
    3,449.81x = 8,751,432.37
  5. Step 5: Solve for x
    x = 8,751,432.37/3,449.81
  6. Step 6: Final answer
    x = 2,536.79

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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.