Home / 3,928.96-5,896.68-1,622.08

Finding the Fourth Proportional to 3,928.96, 5,896.68 and 1,622.08

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Solution

The fourth proportional to 3,928.96, 5,896.68 and 1,622.08 is: 2,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.96 : 5,896.68 = 1,622.08 : x
  2. Step 2: Convert to fraction form
    3,928.96/5,896.68 = 1,622.08/x
  3. Step 3: Cross multiply
    3,928.96x = 5,896.68 × 1,622.08
  4. Step 4: Simplify right side
    3,928.96x = 9,564,886.69
  5. Step 5: Solve for x
    x = 9,564,886.69/3,928.96
  6. Step 6: Final answer
    x = 2,434.46

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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.