Home / 3,426.08-5,134.62-1,866.74

Finding the Fourth Proportional to 3,426.08, 5,134.62 and 1,866.74

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Solution

The fourth proportional to 3,426.08, 5,134.62 and 1,866.74 is: 2,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.08 : 5,134.62 = 1,866.74 : x
  2. Step 2: Convert to fraction form
    3,426.08/5,134.62 = 1,866.74/x
  3. Step 3: Cross multiply
    3,426.08x = 5,134.62 × 1,866.74
  4. Step 4: Simplify right side
    3,426.08x = 9,585,000.54
  5. Step 5: Solve for x
    x = 9,585,000.54/3,426.08
  6. Step 6: Final answer
    x = 2,797.66

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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.