Home / 3,905.55-5,851.85-2,748.87

Finding the Fourth Proportional to 3,905.55, 5,851.85 and 2,748.87

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Solution

The fourth proportional to 3,905.55, 5,851.85 and 2,748.87 is: 4,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.55 : 5,851.85 = 2,748.87 : x
  2. Step 2: Convert to fraction form
    3,905.55/5,851.85 = 2,748.87/x
  3. Step 3: Cross multiply
    3,905.55x = 5,851.85 × 2,748.87
  4. Step 4: Simplify right side
    3,905.55x = 16,085,961.17
  5. Step 5: Solve for x
    x = 16,085,961.17/3,905.55
  6. Step 6: Final answer
    x = 4,118.74

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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.