Home / 3,707.62-5,116.39-2,215.19

Finding the Fourth Proportional to 3,707.62, 5,116.39 and 2,215.19

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Solution

The fourth proportional to 3,707.62, 5,116.39 and 2,215.19 is: 3,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.62 : 5,116.39 = 2,215.19 : x
  2. Step 2: Convert to fraction form
    3,707.62/5,116.39 = 2,215.19/x
  3. Step 3: Cross multiply
    3,707.62x = 5,116.39 × 2,215.19
  4. Step 4: Simplify right side
    3,707.62x = 11,333,775.96
  5. Step 5: Solve for x
    x = 11,333,775.96/3,707.62
  6. Step 6: Final answer
    x = 3,056.89

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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.