Home / 3,399.39-4,691.16-1,907.46

Finding the Fourth Proportional to 3,399.39, 4,691.16 and 1,907.46

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Solution

The fourth proportional to 3,399.39, 4,691.16 and 1,907.46 is: 2,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.39 : 4,691.16 = 1,907.46 : x
  2. Step 2: Convert to fraction form
    3,399.39/4,691.16 = 1,907.46/x
  3. Step 3: Cross multiply
    3,399.39x = 4,691.16 × 1,907.46
  4. Step 4: Simplify right side
    3,399.39x = 8,948,200.05
  5. Step 5: Solve for x
    x = 8,948,200.05/3,399.39
  6. Step 6: Final answer
    x = 2,632.30

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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.