Home / 3,379.39-4,665.62-3,170.23

Finding the Fourth Proportional to 3,379.39, 4,665.62 and 3,170.23

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Solution

The fourth proportional to 3,379.39, 4,665.62 and 3,170.23 is: 4,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.39 : 4,665.62 = 3,170.23 : x
  2. Step 2: Convert to fraction form
    3,379.39/4,665.62 = 3,170.23/x
  3. Step 3: Cross multiply
    3,379.39x = 4,665.62 × 3,170.23
  4. Step 4: Simplify right side
    3,379.39x = 14,791,088.49
  5. Step 5: Solve for x
    x = 14,791,088.49/3,379.39
  6. Step 6: Final answer
    x = 4,376.85

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Half scale
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Double scale
Find fourth proportional to 3,380.39, 4,667 and 3,171.23
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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.