Home / 3,253.66-4,890.39-2,164.66

Finding the Fourth Proportional to 3,253.66, 4,890.39 and 2,164.66

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Solution

The fourth proportional to 3,253.66, 4,890.39 and 2,164.66 is: 3,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.66 : 4,890.39 = 2,164.66 : x
  2. Step 2: Convert to fraction form
    3,253.66/4,890.39 = 2,164.66/x
  3. Step 3: Cross multiply
    3,253.66x = 4,890.39 × 2,164.66
  4. Step 4: Simplify right side
    3,253.66x = 10,586,031.62
  5. Step 5: Solve for x
    x = 10,586,031.62/3,253.66
  6. Step 6: Final answer
    x = 3,253.58

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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.