Home / 3,472.30-4,791.73-1,900.38

Finding the Fourth Proportional to 3,472.30, 4,791.73 and 1,900.38

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Solution

The fourth proportional to 3,472.30, 4,791.73 and 1,900.38 is: 2,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.30 : 4,791.73 = 1,900.38 : x
  2. Step 2: Convert to fraction form
    3,472.30/4,791.73 = 1,900.38/x
  3. Step 3: Cross multiply
    3,472.30x = 4,791.73 × 1,900.38
  4. Step 4: Simplify right side
    3,472.30x = 9,106,107.86
  5. Step 5: Solve for x
    x = 9,106,107.86/3,472.30
  6. Step 6: Final answer
    x = 2,622.50

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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.