Home / 2,860.44-3,947.23-1,601.49

Finding the Fourth Proportional to 2,860.44, 3,947.23 and 1,601.49

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Solution

The fourth proportional to 2,860.44, 3,947.23 and 1,601.49 is: 2,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.44 : 3,947.23 = 1,601.49 : x
  2. Step 2: Convert to fraction form
    2,860.44/3,947.23 = 1,601.49/x
  3. Step 3: Cross multiply
    2,860.44x = 3,947.23 × 1,601.49
  4. Step 4: Simplify right side
    2,860.44x = 6,321,434.97
  5. Step 5: Solve for x
    x = 6,321,434.97/2,860.44
  6. Step 6: Final answer
    x = 2,209.95

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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.