Home / 2,859.05-3,945.30-1,599.89

Finding the Fourth Proportional to 2,859.05, 3,945.30 and 1,599.89

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Solution

The fourth proportional to 2,859.05, 3,945.30 and 1,599.89 is: 2,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.05 : 3,945.30 = 1,599.89 : x
  2. Step 2: Convert to fraction form
    2,859.05/3,945.30 = 1,599.89/x
  3. Step 3: Cross multiply
    2,859.05x = 3,945.30 × 1,599.89
  4. Step 4: Simplify right side
    2,859.05x = 6,312,046.02
  5. Step 5: Solve for x
    x = 6,312,046.02/2,859.05
  6. Step 6: Final answer
    x = 2,207.74

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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.