Home / 2,033.15-3,049.69-646.49

Finding the Fourth Proportional to 2,033.15, 3,049.69 and 646.49

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Solution

The fourth proportional to 2,033.15, 3,049.69 and 646.49 is: 969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.15 : 3,049.69 = 646.49 : x
  2. Step 2: Convert to fraction form
    2,033.15/3,049.69 = 646.49/x
  3. Step 3: Cross multiply
    2,033.15x = 3,049.69 × 646.49
  4. Step 4: Simplify right side
    2,033.15x = 1,971,600.40
  5. Step 5: Solve for x
    x = 1,971,600.40/2,033.15
  6. Step 6: Final answer
    x = 969.73

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Double scale
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Similar ratio
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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.