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Finding the Fourth Proportional to 3,299.19, 4,948.79 and 834

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Solution

The fourth proportional to 3,299.19, 4,948.79 and 834 is: 1,251

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.19 : 4,948.79 = 834 : x
  2. Step 2: Convert to fraction form
    3,299.19/4,948.79 = 834/x
  3. Step 3: Cross multiply
    3,299.19x = 4,948.79 × 834
  4. Step 4: Simplify right side
    3,299.19x = 4,127,286.69
  5. Step 5: Solve for x
    x = 4,127,286.69/3,299.19
  6. Step 6: Final answer
    x = 1,251

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.