Home / 3,771.09-5,657.99-1,690.88

Finding the Fourth Proportional to 3,771.09, 5,657.99 and 1,690.88

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Solution

The fourth proportional to 3,771.09, 5,657.99 and 1,690.88 is: 2,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.09 : 5,657.99 = 1,690.88 : x
  2. Step 2: Convert to fraction form
    3,771.09/5,657.99 = 1,690.88/x
  3. Step 3: Cross multiply
    3,771.09x = 5,657.99 × 1,690.88
  4. Step 4: Simplify right side
    3,771.09x = 9,566,945.39
  5. Step 5: Solve for x
    x = 9,566,945.39/3,771.09
  6. Step 6: Final answer
    x = 2,536.92

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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.