Home / 3,699.82-5,549.78-2,066.76

Finding the Fourth Proportional to 3,699.82, 5,549.78 and 2,066.76

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Solution

The fourth proportional to 3,699.82, 5,549.78 and 2,066.76 is: 3,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.82 : 5,549.78 = 2,066.76 : x
  2. Step 2: Convert to fraction form
    3,699.82/5,549.78 = 2,066.76/x
  3. Step 3: Cross multiply
    3,699.82x = 5,549.78 × 2,066.76
  4. Step 4: Simplify right side
    3,699.82x = 11,470,052.98
  5. Step 5: Solve for x
    x = 11,470,052.98/3,699.82
  6. Step 6: Final answer
    x = 3,100.17

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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.