Home / 1,944.86-2,912.96-1,395.38

Finding the Fourth Proportional to 1,944.86, 2,912.96 and 1,395.38

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Solution

The fourth proportional to 1,944.86, 2,912.96 and 1,395.38 is: 2,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.86 : 2,912.96 = 1,395.38 : x
  2. Step 2: Convert to fraction form
    1,944.86/2,912.96 = 1,395.38/x
  3. Step 3: Cross multiply
    1,944.86x = 2,912.96 × 1,395.38
  4. Step 4: Simplify right side
    1,944.86x = 4,064,680.51
  5. Step 5: Solve for x
    x = 4,064,680.51/1,944.86
  6. Step 6: Final answer
    x = 2,089.96

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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.