Home / 3,699.05-5,534.68-2,212.81

Finding the Fourth Proportional to 3,699.05, 5,534.68 and 2,212.81

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Solution

The fourth proportional to 3,699.05, 5,534.68 and 2,212.81 is: 3,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.05 : 5,534.68 = 2,212.81 : x
  2. Step 2: Convert to fraction form
    3,699.05/5,534.68 = 2,212.81/x
  3. Step 3: Cross multiply
    3,699.05x = 5,534.68 × 2,212.81
  4. Step 4: Simplify right side
    3,699.05x = 12,247,156.51
  5. Step 5: Solve for x
    x = 12,247,156.51/3,699.05
  6. Step 6: Final answer
    x = 3,310.89

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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.