Home / 3,346.15-4,618.33-1,930.75

Finding the Fourth Proportional to 3,346.15, 4,618.33 and 1,930.75

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Solution

The fourth proportional to 3,346.15, 4,618.33 and 1,930.75 is: 2,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.15 : 4,618.33 = 1,930.75 : x
  2. Step 2: Convert to fraction form
    3,346.15/4,618.33 = 1,930.75/x
  3. Step 3: Cross multiply
    3,346.15x = 4,618.33 × 1,930.75
  4. Step 4: Simplify right side
    3,346.15x = 8,916,861.11
  5. Step 5: Solve for x
    x = 8,916,861.11/3,346.15
  6. Step 6: Final answer
    x = 2,664.81

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Half 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.