Home / 3,509.36-5,259.49-1,426.93

Finding the Fourth Proportional to 3,509.36, 5,259.49 and 1,426.93

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Solution

The fourth proportional to 3,509.36, 5,259.49 and 1,426.93 is: 2,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.36 : 5,259.49 = 1,426.93 : x
  2. Step 2: Convert to fraction form
    3,509.36/5,259.49 = 1,426.93/x
  3. Step 3: Cross multiply
    3,509.36x = 5,259.49 × 1,426.93
  4. Step 4: Simplify right side
    3,509.36x = 7,504,915.38
  5. Step 5: Solve for x
    x = 7,504,915.38/3,509.36
  6. Step 6: Final answer
    x = 2,138.54

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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.