Home / 3,472.21-4,791.76-1,900.31

Finding the Fourth Proportional to 3,472.21, 4,791.76 and 1,900.31

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Solution

The fourth proportional to 3,472.21, 4,791.76 and 1,900.31 is: 2,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.21 : 4,791.76 = 1,900.31 : x
  2. Step 2: Convert to fraction form
    3,472.21/4,791.76 = 1,900.31/x
  3. Step 3: Cross multiply
    3,472.21x = 4,791.76 × 1,900.31
  4. Step 4: Simplify right side
    3,472.21x = 9,105,800.74
  5. Step 5: Solve for x
    x = 9,105,800.74/3,472.21
  6. Step 6: Final answer
    x = 2,622.48

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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.