Home / 3,165.12-4,748.49-2,771.46

Finding the Fourth Proportional to 3,165.12, 4,748.49 and 2,771.46

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Solution

The fourth proportional to 3,165.12, 4,748.49 and 2,771.46 is: 4,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.12 : 4,748.49 = 2,771.46 : x
  2. Step 2: Convert to fraction form
    3,165.12/4,748.49 = 2,771.46/x
  3. Step 3: Cross multiply
    3,165.12x = 4,748.49 × 2,771.46
  4. Step 4: Simplify right side
    3,165.12x = 13,160,250.10
  5. Step 5: Solve for x
    x = 13,160,250.10/3,165.12
  6. Step 6: Final answer
    x = 4,157.90

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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.