Home / 3,405.50-4,696.47-2,209.24

Finding the Fourth Proportional to 3,405.50, 4,696.47 and 2,209.24

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Solution

The fourth proportional to 3,405.50, 4,696.47 and 2,209.24 is: 3,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.50 : 4,696.47 = 2,209.24 : x
  2. Step 2: Convert to fraction form
    3,405.50/4,696.47 = 2,209.24/x
  3. Step 3: Cross multiply
    3,405.50x = 4,696.47 × 2,209.24
  4. Step 4: Simplify right side
    3,405.50x = 10,375,629.38
  5. Step 5: Solve for x
    x = 10,375,629.38/3,405.50
  6. Step 6: Final answer
    x = 3,046.73

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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.