Home / 3,239.30-4,859.58-1,047.44

Finding the Fourth Proportional to 3,239.30, 4,859.58 and 1,047.44

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Solution

The fourth proportional to 3,239.30, 4,859.58 and 1,047.44 is: 1,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.30 : 4,859.58 = 1,047.44 : x
  2. Step 2: Convert to fraction form
    3,239.30/4,859.58 = 1,047.44/x
  3. Step 3: Cross multiply
    3,239.30x = 4,859.58 × 1,047.44
  4. Step 4: Simplify right side
    3,239.30x = 5,090,118.48
  5. Step 5: Solve for x
    x = 5,090,118.48/3,239.30
  6. Step 6: Final answer
    x = 1,571.36

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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.