Home / 3,206.15-4,426.68-2,458.79

Finding the Fourth Proportional to 3,206.15, 4,426.68 and 2,458.79

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Solution

The fourth proportional to 3,206.15, 4,426.68 and 2,458.79 is: 3,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.15 : 4,426.68 = 2,458.79 : x
  2. Step 2: Convert to fraction form
    3,206.15/4,426.68 = 2,458.79/x
  3. Step 3: Cross multiply
    3,206.15x = 4,426.68 × 2,458.79
  4. Step 4: Simplify right side
    3,206.15x = 10,884,280.20
  5. Step 5: Solve for x
    x = 10,884,280.20/3,206.15
  6. Step 6: Final answer
    x = 3,394.81

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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.