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Finding the Fourth Proportional to 3,049.08, 4,573.62 and 857.82

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Solution

The fourth proportional to 3,049.08, 4,573.62 and 857.82 is: 1,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.08 : 4,573.62 = 857.82 : x
  2. Step 2: Convert to fraction form
    3,049.08/4,573.62 = 857.82/x
  3. Step 3: Cross multiply
    3,049.08x = 4,573.62 × 857.82
  4. Step 4: Simplify right side
    3,049.08x = 3,923,342.71
  5. Step 5: Solve for x
    x = 3,923,342.71/3,049.08
  6. Step 6: Final answer
    x = 1,286.73

Related Problems

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Half scale
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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.