Home / 3,365.18-5,029.20-2,489.54

Finding the Fourth Proportional to 3,365.18, 5,029.20 and 2,489.54

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Solution

The fourth proportional to 3,365.18, 5,029.20 and 2,489.54 is: 3,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.18 : 5,029.20 = 2,489.54 : x
  2. Step 2: Convert to fraction form
    3,365.18/5,029.20 = 2,489.54/x
  3. Step 3: Cross multiply
    3,365.18x = 5,029.20 × 2,489.54
  4. Step 4: Simplify right side
    3,365.18x = 12,520,394.57
  5. Step 5: Solve for x
    x = 12,520,394.57/3,365.18
  6. Step 6: Final answer
    x = 3,720.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.