Home / 3,236.49-4,854.74-1,288.71

Finding the Fourth Proportional to 3,236.49, 4,854.74 and 1,288.71

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Solution

The fourth proportional to 3,236.49, 4,854.74 and 1,288.71 is: 1,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.49 : 4,854.74 = 1,288.71 : x
  2. Step 2: Convert to fraction form
    3,236.49/4,854.74 = 1,288.71/x
  3. Step 3: Cross multiply
    3,236.49x = 4,854.74 × 1,288.71
  4. Step 4: Simplify right side
    3,236.49x = 6,256,345.54
  5. Step 5: Solve for x
    x = 6,256,345.54/3,236.49
  6. Step 6: Final answer
    x = 1,933.07

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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.