Home / 3,877.60-5,817.36-2,906.08

Finding the Fourth Proportional to 3,877.60, 5,817.36 and 2,906.08

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Solution

The fourth proportional to 3,877.60, 5,817.36 and 2,906.08 is: 4,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.60 : 5,817.36 = 2,906.08 : x
  2. Step 2: Convert to fraction form
    3,877.60/5,817.36 = 2,906.08/x
  3. Step 3: Cross multiply
    3,877.60x = 5,817.36 × 2,906.08
  4. Step 4: Simplify right side
    3,877.60x = 16,905,713.55
  5. Step 5: Solve for x
    x = 16,905,713.55/3,877.60
  6. Step 6: Final answer
    x = 4,359.84

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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.