Home / 3,426.40-5,137.74-1,204.66

Finding the Fourth Proportional to 3,426.40, 5,137.74 and 1,204.66

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Solution

The fourth proportional to 3,426.40, 5,137.74 and 1,204.66 is: 1,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.40 : 5,137.74 = 1,204.66 : x
  2. Step 2: Convert to fraction form
    3,426.40/5,137.74 = 1,204.66/x
  3. Step 3: Cross multiply
    3,426.40x = 5,137.74 × 1,204.66
  4. Step 4: Simplify right side
    3,426.40x = 6,189,198.16
  5. Step 5: Solve for x
    x = 6,189,198.16/3,426.40
  6. Step 6: Final answer
    x = 1,806.33

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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.