Home / 3,434.78-5,149.93-2,261.23

Finding the Fourth Proportional to 3,434.78, 5,149.93 and 2,261.23

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Solution

The fourth proportional to 3,434.78, 5,149.93 and 2,261.23 is: 3,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.78 : 5,149.93 = 2,261.23 : x
  2. Step 2: Convert to fraction form
    3,434.78/5,149.93 = 2,261.23/x
  3. Step 3: Cross multiply
    3,434.78x = 5,149.93 × 2,261.23
  4. Step 4: Simplify right side
    3,434.78x = 11,645,176.21
  5. Step 5: Solve for x
    x = 11,645,176.21/3,434.78
  6. Step 6: Final answer
    x = 3,390.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.