Home / 3,404.09-4,700.64-2,147.39

Finding the Fourth Proportional to 3,404.09, 4,700.64 and 2,147.39

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Solution

The fourth proportional to 3,404.09, 4,700.64 and 2,147.39 is: 2,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.09 : 4,700.64 = 2,147.39 : x
  2. Step 2: Convert to fraction form
    3,404.09/4,700.64 = 2,147.39/x
  3. Step 3: Cross multiply
    3,404.09x = 4,700.64 × 2,147.39
  4. Step 4: Simplify right side
    3,404.09x = 10,094,107.33
  5. Step 5: Solve for x
    x = 10,094,107.33/3,404.09
  6. Step 6: Final answer
    x = 2,965.29

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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.