Home / 3,485.25-5,227.88-1,176.75

Finding the Fourth Proportional to 3,485.25, 5,227.88 and 1,176.75

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Solution

The fourth proportional to 3,485.25, 5,227.88 and 1,176.75 is: 1,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.25 : 5,227.88 = 1,176.75 : x
  2. Step 2: Convert to fraction form
    3,485.25/5,227.88 = 1,176.75/x
  3. Step 3: Cross multiply
    3,485.25x = 5,227.88 × 1,176.75
  4. Step 4: Simplify right side
    3,485.25x = 6,151,901.91
  5. Step 5: Solve for x
    x = 6,151,901.91/3,485.25
  6. Step 6: Final answer
    x = 1,765.13

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Half 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.