Home / 3,120.23-4,306.17-1,794.37

Finding the Fourth Proportional to 3,120.23, 4,306.17 and 1,794.37

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Solution

The fourth proportional to 3,120.23, 4,306.17 and 1,794.37 is: 2,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.23 : 4,306.17 = 1,794.37 : x
  2. Step 2: Convert to fraction form
    3,120.23/4,306.17 = 1,794.37/x
  3. Step 3: Cross multiply
    3,120.23x = 4,306.17 × 1,794.37
  4. Step 4: Simplify right side
    3,120.23x = 7,726,840.73
  5. Step 5: Solve for x
    x = 7,726,840.73/3,120.23
  6. Step 6: Final answer
    x = 2,476.37

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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.