Home / 3,688.12-5,535.69-2,711.26

Finding the Fourth Proportional to 3,688.12, 5,535.69 and 2,711.26

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Solution

The fourth proportional to 3,688.12, 5,535.69 and 2,711.26 is: 4,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.12 : 5,535.69 = 2,711.26 : x
  2. Step 2: Convert to fraction form
    3,688.12/5,535.69 = 2,711.26/x
  3. Step 3: Cross multiply
    3,688.12x = 5,535.69 × 2,711.26
  4. Step 4: Simplify right side
    3,688.12x = 15,008,694.87
  5. Step 5: Solve for x
    x = 15,008,694.87/3,688.12
  6. Step 6: Final answer
    x = 4,069.47

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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.