Home / 3,238.44-4,859.79-1,389.93

Finding the Fourth Proportional to 3,238.44, 4,859.79 and 1,389.93

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Solution

The fourth proportional to 3,238.44, 4,859.79 and 1,389.93 is: 2,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.44 : 4,859.79 = 1,389.93 : x
  2. Step 2: Convert to fraction form
    3,238.44/4,859.79 = 1,389.93/x
  3. Step 3: Cross multiply
    3,238.44x = 4,859.79 × 1,389.93
  4. Step 4: Simplify right side
    3,238.44x = 6,754,767.91
  5. Step 5: Solve for x
    x = 6,754,767.91/3,238.44
  6. Step 6: Final answer
    x = 2,085.81

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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.