Home / 3,608.64-5,414.40-2,877.12

Finding the Fourth Proportional to 3,608.64, 5,414.40 and 2,877.12

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Solution

The fourth proportional to 3,608.64, 5,414.40 and 2,877.12 is: 4,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.64 : 5,414.40 = 2,877.12 : x
  2. Step 2: Convert to fraction form
    3,608.64/5,414.40 = 2,877.12/x
  3. Step 3: Cross multiply
    3,608.64x = 5,414.40 × 2,877.12
  4. Step 4: Simplify right side
    3,608.64x = 15,577,878.53
  5. Step 5: Solve for x
    x = 15,577,878.53/3,608.64
  6. Step 6: Final answer
    x = 4,316.83

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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.