Home / 2,860.29-3,947.09-1,601.33

Finding the Fourth Proportional to 2,860.29, 3,947.09 and 1,601.33

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Solution

The fourth proportional to 2,860.29, 3,947.09 and 1,601.33 is: 2,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.29 : 3,947.09 = 1,601.33 : x
  2. Step 2: Convert to fraction form
    2,860.29/3,947.09 = 1,601.33/x
  3. Step 3: Cross multiply
    2,860.29x = 3,947.09 × 1,601.33
  4. Step 4: Simplify right side
    2,860.29x = 6,320,565.89
  5. Step 5: Solve for x
    x = 6,320,565.89/2,860.29
  6. Step 6: Final answer
    x = 2,209.76

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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.