Home / 3,877.96-5,353.22-2,759.08

Finding the Fourth Proportional to 3,877.96, 5,353.22 and 2,759.08

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Solution

The fourth proportional to 3,877.96, 5,353.22 and 2,759.08 is: 3,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.96 : 5,353.22 = 2,759.08 : x
  2. Step 2: Convert to fraction form
    3,877.96/5,353.22 = 2,759.08/x
  3. Step 3: Cross multiply
    3,877.96x = 5,353.22 × 2,759.08
  4. Step 4: Simplify right side
    3,877.96x = 14,769,962.24
  5. Step 5: Solve for x
    x = 14,769,962.24/3,877.96
  6. Step 6: Final answer
    x = 3,808.69

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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.