Home / 2,817.38-3,885.45-2,346.83

Finding the Fourth Proportional to 2,817.38, 3,885.45 and 2,346.83

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Solution

The fourth proportional to 2,817.38, 3,885.45 and 2,346.83 is: 3,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.38 : 3,885.45 = 2,346.83 : x
  2. Step 2: Convert to fraction form
    2,817.38/3,885.45 = 2,346.83/x
  3. Step 3: Cross multiply
    2,817.38x = 3,885.45 × 2,346.83
  4. Step 4: Simplify right side
    2,817.38x = 9,118,490.62
  5. Step 5: Solve for x
    x = 9,118,490.62/2,817.38
  6. Step 6: Final answer
    x = 3,236.52

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.