Home / 2,033.05-3,049.68-646.29

Finding the Fourth Proportional to 2,033.05, 3,049.68 and 646.29

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Solution

The fourth proportional to 2,033.05, 3,049.68 and 646.29 is: 969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.05 : 3,049.68 = 646.29 : x
  2. Step 2: Convert to fraction form
    2,033.05/3,049.68 = 646.29/x
  3. Step 3: Cross multiply
    2,033.05x = 3,049.68 × 646.29
  4. Step 4: Simplify right side
    2,033.05x = 1,970,977.69
  5. Step 5: Solve for x
    x = 1,970,977.69/2,033.05
  6. Step 6: Final answer
    x = 969.47

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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.