Home / 3,935.90-5,903.91-1,162.64

Finding the Fourth Proportional to 3,935.90, 5,903.91 and 1,162.64

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Solution

The fourth proportional to 3,935.90, 5,903.91 and 1,162.64 is: 1,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.90 : 5,903.91 = 1,162.64 : x
  2. Step 2: Convert to fraction form
    3,935.90/5,903.91 = 1,162.64/x
  3. Step 3: Cross multiply
    3,935.90x = 5,903.91 × 1,162.64
  4. Step 4: Simplify right side
    3,935.90x = 6,864,121.92
  5. Step 5: Solve for x
    x = 6,864,121.92/3,935.90
  6. Step 6: Final answer
    x = 1,743.98

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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.