Home / 3,613.82-5,420.93-3,454.11

Finding the Fourth Proportional to 3,613.82, 5,420.93 and 3,454.11

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Solution

The fourth proportional to 3,613.82, 5,420.93 and 3,454.11 is: 5,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.82 : 5,420.93 = 3,454.11 : x
  2. Step 2: Convert to fraction form
    3,613.82/5,420.93 = 3,454.11/x
  3. Step 3: Cross multiply
    3,613.82x = 5,420.93 × 3,454.11
  4. Step 4: Simplify right side
    3,613.82x = 18,724,471.25
  5. Step 5: Solve for x
    x = 18,724,471.25/3,613.82
  6. Step 6: Final answer
    x = 5,181.36

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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.