Home / 3,109.36-4,663.84-1,723.36

Finding the Fourth Proportional to 3,109.36, 4,663.84 and 1,723.36

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Solution

The fourth proportional to 3,109.36, 4,663.84 and 1,723.36 is: 2,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.36 : 4,663.84 = 1,723.36 : x
  2. Step 2: Convert to fraction form
    3,109.36/4,663.84 = 1,723.36/x
  3. Step 3: Cross multiply
    3,109.36x = 4,663.84 × 1,723.36
  4. Step 4: Simplify right side
    3,109.36x = 8,037,475.30
  5. Step 5: Solve for x
    x = 8,037,475.30/3,109.36
  6. Step 6: Final answer
    x = 2,584.93

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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.