Home / 3,949.59-5,452.21-2,605.99

Finding the Fourth Proportional to 3,949.59, 5,452.21 and 2,605.99

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Solution

The fourth proportional to 3,949.59, 5,452.21 and 2,605.99 is: 3,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.59 : 5,452.21 = 2,605.99 : x
  2. Step 2: Convert to fraction form
    3,949.59/5,452.21 = 2,605.99/x
  3. Step 3: Cross multiply
    3,949.59x = 5,452.21 × 2,605.99
  4. Step 4: Simplify right side
    3,949.59x = 14,208,404.74
  5. Step 5: Solve for x
    x = 14,208,404.74/3,949.59
  6. Step 6: Final answer
    x = 3,597.44

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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.