Home / 3,931.83-5,896.94-1,157.92

Finding the Fourth Proportional to 3,931.83, 5,896.94 and 1,157.92

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Solution

The fourth proportional to 3,931.83, 5,896.94 and 1,157.92 is: 1,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.83 : 5,896.94 = 1,157.92 : x
  2. Step 2: Convert to fraction form
    3,931.83/5,896.94 = 1,157.92/x
  3. Step 3: Cross multiply
    3,931.83x = 5,896.94 × 1,157.92
  4. Step 4: Simplify right side
    3,931.83x = 6,828,164.23
  5. Step 5: Solve for x
    x = 6,828,164.23/3,931.83
  6. Step 6: Final answer
    x = 1,736.64

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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.