Home / 2,912.06-4,013.96-1,967.56

Finding the Fourth Proportional to 2,912.06, 4,013.96 and 1,967.56

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Solution

The fourth proportional to 2,912.06, 4,013.96 and 1,967.56 is: 2,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.06 : 4,013.96 = 1,967.56 : x
  2. Step 2: Convert to fraction form
    2,912.06/4,013.96 = 1,967.56/x
  3. Step 3: Cross multiply
    2,912.06x = 4,013.96 × 1,967.56
  4. Step 4: Simplify right side
    2,912.06x = 7,897,707.14
  5. Step 5: Solve for x
    x = 7,897,707.14/2,912.06
  6. Step 6: Final answer
    x = 2,712.07

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1.5x scale

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.