Home / 3,859.19-5,788.00-1,085.99

Finding the Fourth Proportional to 3,859.19, 5,788.00 and 1,085.99

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Solution

The fourth proportional to 3,859.19, 5,788.00 and 1,085.99 is: 1,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.19 : 5,788.00 = 1,085.99 : x
  2. Step 2: Convert to fraction form
    3,859.19/5,788.00 = 1,085.99/x
  3. Step 3: Cross multiply
    3,859.19x = 5,788.00 × 1,085.99
  4. Step 4: Simplify right side
    3,859.19x = 6,285,712.83
  5. Step 5: Solve for x
    x = 6,285,712.83/3,859.19
  6. Step 6: Final answer
    x = 1,628.76

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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.