Home / 3,699.11-5,105.00-2,127.17

Finding the Fourth Proportional to 3,699.11, 5,105.00 and 2,127.17

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Solution

The fourth proportional to 3,699.11, 5,105.00 and 2,127.17 is: 2,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.11 : 5,105.00 = 2,127.17 : x
  2. Step 2: Convert to fraction form
    3,699.11/5,105.00 = 2,127.17/x
  3. Step 3: Cross multiply
    3,699.11x = 5,105.00 × 2,127.17
  4. Step 4: Simplify right side
    3,699.11x = 10,859,182.64
  5. Step 5: Solve for x
    x = 10,859,182.64/3,699.11
  6. Step 6: Final answer
    x = 2,935.62

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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.