Home / 3,543.35-5,312.75-1,694.42

Finding the Fourth Proportional to 3,543.35, 5,312.75 and 1,694.42

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Solution

The fourth proportional to 3,543.35, 5,312.75 and 1,694.42 is: 2,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.35 : 5,312.75 = 1,694.42 : x
  2. Step 2: Convert to fraction form
    3,543.35/5,312.75 = 1,694.42/x
  3. Step 3: Cross multiply
    3,543.35x = 5,312.75 × 1,694.42
  4. Step 4: Simplify right side
    3,543.35x = 9,002,029.86
  5. Step 5: Solve for x
    x = 9,002,029.86/3,543.35
  6. Step 6: Final answer
    x = 2,540.54

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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.