Home / 3,971.30-5,955.42-1,889.70

Finding the Fourth Proportional to 3,971.30, 5,955.42 and 1,889.70

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Solution

The fourth proportional to 3,971.30, 5,955.42 and 1,889.70 is: 2,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.30 : 5,955.42 = 1,889.70 : x
  2. Step 2: Convert to fraction form
    3,971.30/5,955.42 = 1,889.70/x
  3. Step 3: Cross multiply
    3,971.30x = 5,955.42 × 1,889.70
  4. Step 4: Simplify right side
    3,971.30x = 11,253,957.17
  5. Step 5: Solve for x
    x = 11,253,957.17/3,971.30
  6. Step 6: Final answer
    x = 2,833.82

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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.