Home / 3,824.21-5,741.63-1,976.69

Finding the Fourth Proportional to 3,824.21, 5,741.63 and 1,976.69

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Solution

The fourth proportional to 3,824.21, 5,741.63 and 1,976.69 is: 2,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.21 : 5,741.63 = 1,976.69 : x
  2. Step 2: Convert to fraction form
    3,824.21/5,741.63 = 1,976.69/x
  3. Step 3: Cross multiply
    3,824.21x = 5,741.63 × 1,976.69
  4. Step 4: Simplify right side
    3,824.21x = 11,349,412.72
  5. Step 5: Solve for x
    x = 11,349,412.72/3,824.21
  6. Step 6: Final answer
    x = 2,967.78

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1.5x scale

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.