Home / 3,050.78-4,209.57-1,791.56

Finding the Fourth Proportional to 3,050.78, 4,209.57 and 1,791.56

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Solution

The fourth proportional to 3,050.78, 4,209.57 and 1,791.56 is: 2,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.78 : 4,209.57 = 1,791.56 : x
  2. Step 2: Convert to fraction form
    3,050.78/4,209.57 = 1,791.56/x
  3. Step 3: Cross multiply
    3,050.78x = 4,209.57 × 1,791.56
  4. Step 4: Simplify right side
    3,050.78x = 7,541,707.75
  5. Step 5: Solve for x
    x = 7,541,707.75/3,050.78
  6. Step 6: Final answer
    x = 2,472.06

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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.