Home / 3,618.16-5,454.36-3,377.05

Finding the Fourth Proportional to 3,618.16, 5,454.36 and 3,377.05

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Solution

The fourth proportional to 3,618.16, 5,454.36 and 3,377.05 is: 5,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.16 : 5,454.36 = 3,377.05 : x
  2. Step 2: Convert to fraction form
    3,618.16/5,454.36 = 3,377.05/x
  3. Step 3: Cross multiply
    3,618.16x = 5,454.36 × 3,377.05
  4. Step 4: Simplify right side
    3,618.16x = 18,419,646.44
  5. Step 5: Solve for x
    x = 18,419,646.44/3,618.16
  6. Step 6: Final answer
    x = 5,090.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.