Home / 2,860.26-3,947.12-1,601.32

Finding the Fourth Proportional to 2,860.26, 3,947.12 and 1,601.32

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Solution

The fourth proportional to 2,860.26, 3,947.12 and 1,601.32 is: 2,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.26 : 3,947.12 = 1,601.32 : x
  2. Step 2: Convert to fraction form
    2,860.26/3,947.12 = 1,601.32/x
  3. Step 3: Cross multiply
    2,860.26x = 3,947.12 × 1,601.32
  4. Step 4: Simplify right side
    2,860.26x = 6,320,600.73
  5. Step 5: Solve for x
    x = 6,320,600.73/2,860.26
  6. Step 6: Final answer
    x = 2,209.80

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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.