Home / 3,935.67-5,903.55-1,857.30

Finding the Fourth Proportional to 3,935.67, 5,903.55 and 1,857.30

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Solution

The fourth proportional to 3,935.67, 5,903.55 and 1,857.30 is: 2,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.67 : 5,903.55 = 1,857.30 : x
  2. Step 2: Convert to fraction form
    3,935.67/5,903.55 = 1,857.30/x
  3. Step 3: Cross multiply
    3,935.67x = 5,903.55 × 1,857.30
  4. Step 4: Simplify right side
    3,935.67x = 10,964,663.42
  5. Step 5: Solve for x
    x = 10,964,663.42/3,935.67
  6. Step 6: Final answer
    x = 2,785.97

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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.