Home / 3,472.19-4,791.62-1,900.28

Finding the Fourth Proportional to 3,472.19, 4,791.62 and 1,900.28

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Solution

The fourth proportional to 3,472.19, 4,791.62 and 1,900.28 is: 2,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.19 : 4,791.62 = 1,900.28 : x
  2. Step 2: Convert to fraction form
    3,472.19/4,791.62 = 1,900.28/x
  3. Step 3: Cross multiply
    3,472.19x = 4,791.62 × 1,900.28
  4. Step 4: Simplify right side
    3,472.19x = 9,105,419.65
  5. Step 5: Solve for x
    x = 9,105,419.65/3,472.19
  6. Step 6: Final answer
    x = 2,622.39

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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.