Home / 3,123.30-4,684.94-1,832.96

Finding the Fourth Proportional to 3,123.30, 4,684.94 and 1,832.96

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Solution

The fourth proportional to 3,123.30, 4,684.94 and 1,832.96 is: 2,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.30 : 4,684.94 = 1,832.96 : x
  2. Step 2: Convert to fraction form
    3,123.30/4,684.94 = 1,832.96/x
  3. Step 3: Cross multiply
    3,123.30x = 4,684.94 × 1,832.96
  4. Step 4: Simplify right side
    3,123.30x = 8,587,307.62
  5. Step 5: Solve for x
    x = 8,587,307.62/3,123.30
  6. Step 6: Final answer
    x = 2,749.43

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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.