Home / 3,748.44-5,171.96-2,421.88

Finding the Fourth Proportional to 3,748.44, 5,171.96 and 2,421.88

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Solution

The fourth proportional to 3,748.44, 5,171.96 and 2,421.88 is: 3,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.44 : 5,171.96 = 2,421.88 : x
  2. Step 2: Convert to fraction form
    3,748.44/5,171.96 = 2,421.88/x
  3. Step 3: Cross multiply
    3,748.44x = 5,171.96 × 2,421.88
  4. Step 4: Simplify right side
    3,748.44x = 12,525,866.48
  5. Step 5: Solve for x
    x = 12,525,866.48/3,748.44
  6. Step 6: Final answer
    x = 3,341.62

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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.