Home / 3,254.21-4,493.40-3,005.43

Finding the Fourth Proportional to 3,254.21, 4,493.40 and 3,005.43

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Solution

The fourth proportional to 3,254.21, 4,493.40 and 3,005.43 is: 4,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.21 : 4,493.40 = 3,005.43 : x
  2. Step 2: Convert to fraction form
    3,254.21/4,493.40 = 3,005.43/x
  3. Step 3: Cross multiply
    3,254.21x = 4,493.40 × 3,005.43
  4. Step 4: Simplify right side
    3,254.21x = 13,504,599.16
  5. Step 5: Solve for x
    x = 13,504,599.16/3,254.21
  6. Step 6: Final answer
    x = 4,149.89

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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.