Home / 3,509.33-5,259.44-1,426.91

Finding the Fourth Proportional to 3,509.33, 5,259.44 and 1,426.91

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Solution

The fourth proportional to 3,509.33, 5,259.44 and 1,426.91 is: 2,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.33 : 5,259.44 = 1,426.91 : x
  2. Step 2: Convert to fraction form
    3,509.33/5,259.44 = 1,426.91/x
  3. Step 3: Cross multiply
    3,509.33x = 5,259.44 × 1,426.91
  4. Step 4: Simplify right side
    3,509.33x = 7,504,714.10
  5. Step 5: Solve for x
    x = 7,504,714.10/3,509.33
  6. Step 6: Final answer
    x = 2,138.51

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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.