Home / 3,049.04-4,573.56-857.72

Finding the Fourth Proportional to 3,049.04, 4,573.56 and 857.72

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Solution

The fourth proportional to 3,049.04, 4,573.56 and 857.72 is: 1,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.04 : 4,573.56 = 857.72 : x
  2. Step 2: Convert to fraction form
    3,049.04/4,573.56 = 857.72/x
  3. Step 3: Cross multiply
    3,049.04x = 4,573.56 × 857.72
  4. Step 4: Simplify right side
    3,049.04x = 3,922,833.88
  5. Step 5: Solve for x
    x = 3,922,833.88/3,049.04
  6. Step 6: Final answer
    x = 1,286.58

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.