Home / 3,275.93-4,912.23-1,426.21

Finding the Fourth Proportional to 3,275.93, 4,912.23 and 1,426.21

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Solution

The fourth proportional to 3,275.93, 4,912.23 and 1,426.21 is: 2,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.93 : 4,912.23 = 1,426.21 : x
  2. Step 2: Convert to fraction form
    3,275.93/4,912.23 = 1,426.21/x
  3. Step 3: Cross multiply
    3,275.93x = 4,912.23 × 1,426.21
  4. Step 4: Simplify right side
    3,275.93x = 7,005,856.59
  5. Step 5: Solve for x
    x = 7,005,856.59/3,275.93
  6. Step 6: Final answer
    x = 2,138.59

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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.