Home / 3,748.85-5,171.68-2,422.98

Finding the Fourth Proportional to 3,748.85, 5,171.68 and 2,422.98

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Solution

The fourth proportional to 3,748.85, 5,171.68 and 2,422.98 is: 3,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.85 : 5,171.68 = 2,422.98 : x
  2. Step 2: Convert to fraction form
    3,748.85/5,171.68 = 2,422.98/x
  3. Step 3: Cross multiply
    3,748.85x = 5,171.68 × 2,422.98
  4. Step 4: Simplify right side
    3,748.85x = 12,530,880.24
  5. Step 5: Solve for x
    x = 12,530,880.24/3,748.85
  6. Step 6: Final answer
    x = 3,342.59

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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.