Home / 3,723.79-5,585.82-1,126.75

Finding the Fourth Proportional to 3,723.79, 5,585.82 and 1,126.75

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Solution

The fourth proportional to 3,723.79, 5,585.82 and 1,126.75 is: 1,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.79 : 5,585.82 = 1,126.75 : x
  2. Step 2: Convert to fraction form
    3,723.79/5,585.82 = 1,126.75/x
  3. Step 3: Cross multiply
    3,723.79x = 5,585.82 × 1,126.75
  4. Step 4: Simplify right side
    3,723.79x = 6,293,822.69
  5. Step 5: Solve for x
    x = 6,293,822.69/3,723.79
  6. Step 6: Final answer
    x = 1,690.17

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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.