Home / 2,029.27-3,045.11-859.21

Finding the Fourth Proportional to 2,029.27, 3,045.11 and 859.21

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Solution

The fourth proportional to 2,029.27, 3,045.11 and 859.21 is: 1,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.27 : 3,045.11 = 859.21 : x
  2. Step 2: Convert to fraction form
    2,029.27/3,045.11 = 859.21/x
  3. Step 3: Cross multiply
    2,029.27x = 3,045.11 × 859.21
  4. Step 4: Simplify right side
    2,029.27x = 2,616,388.96
  5. Step 5: Solve for x
    x = 2,616,388.96/2,029.27
  6. Step 6: Final answer
    x = 1,289.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.