Home / 1,941.42-2,912.70-1,200.54

Finding the Fourth Proportional to 1,941.42, 2,912.70 and 1,200.54

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Solution

The fourth proportional to 1,941.42, 2,912.70 and 1,200.54 is: 1,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.42 : 2,912.70 = 1,200.54 : x
  2. Step 2: Convert to fraction form
    1,941.42/2,912.70 = 1,200.54/x
  3. Step 3: Cross multiply
    1,941.42x = 2,912.70 × 1,200.54
  4. Step 4: Simplify right side
    1,941.42x = 3,496,812.86
  5. Step 5: Solve for x
    x = 3,496,812.86/1,941.42
  6. Step 6: Final answer
    x = 1,801.16

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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.