Home / 3,688.13-5,535.83-1,956.75

Finding the Fourth Proportional to 3,688.13, 5,535.83 and 1,956.75

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Solution

The fourth proportional to 3,688.13, 5,535.83 and 1,956.75 is: 2,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.13 : 5,535.83 = 1,956.75 : x
  2. Step 2: Convert to fraction form
    3,688.13/5,535.83 = 1,956.75/x
  3. Step 3: Cross multiply
    3,688.13x = 5,535.83 × 1,956.75
  4. Step 4: Simplify right side
    3,688.13x = 10,832,240.24
  5. Step 5: Solve for x
    x = 10,832,240.24/3,688.13
  6. Step 6: Final answer
    x = 2,937.06

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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.