Home / 3,903.33-5,857.31-1,439.87

Finding the Fourth Proportional to 3,903.33, 5,857.31 and 1,439.87

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Solution

The fourth proportional to 3,903.33, 5,857.31 and 1,439.87 is: 2,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.33 : 5,857.31 = 1,439.87 : x
  2. Step 2: Convert to fraction form
    3,903.33/5,857.31 = 1,439.87/x
  3. Step 3: Cross multiply
    3,903.33x = 5,857.31 × 1,439.87
  4. Step 4: Simplify right side
    3,903.33x = 8,433,728.46
  5. Step 5: Solve for x
    x = 8,433,728.46/3,903.33
  6. Step 6: Final answer
    x = 2,160.65

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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.