Home / 2,942.37-4,412.38-1,297.75

Finding the Fourth Proportional to 2,942.37, 4,412.38 and 1,297.75

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Solution

The fourth proportional to 2,942.37, 4,412.38 and 1,297.75 is: 1,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.37 : 4,412.38 = 1,297.75 : x
  2. Step 2: Convert to fraction form
    2,942.37/4,412.38 = 1,297.75/x
  3. Step 3: Cross multiply
    2,942.37x = 4,412.38 × 1,297.75
  4. Step 4: Simplify right side
    2,942.37x = 5,726,166.15
  5. Step 5: Solve for x
    x = 5,726,166.15/2,942.37
  6. Step 6: Final answer
    x = 1,946.11

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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.