Home / 2,912.07-4,017.30-1,792.56

Finding the Fourth Proportional to 2,912.07, 4,017.30 and 1,792.56

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Solution

The fourth proportional to 2,912.07, 4,017.30 and 1,792.56 is: 2,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.07 : 4,017.30 = 1,792.56 : x
  2. Step 2: Convert to fraction form
    2,912.07/4,017.30 = 1,792.56/x
  3. Step 3: Cross multiply
    2,912.07x = 4,017.30 × 1,792.56
  4. Step 4: Simplify right side
    2,912.07x = 7,201,251.29
  5. Step 5: Solve for x
    x = 7,201,251.29/2,912.07
  6. Step 6: Final answer
    x = 2,472.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.