Home / 3,764.21-5,191.97-3,056.06

Finding the Fourth Proportional to 3,764.21, 5,191.97 and 3,056.06

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Solution

The fourth proportional to 3,764.21, 5,191.97 and 3,056.06 is: 4,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.21 : 5,191.97 = 3,056.06 : x
  2. Step 2: Convert to fraction form
    3,764.21/5,191.97 = 3,056.06/x
  3. Step 3: Cross multiply
    3,764.21x = 5,191.97 × 3,056.06
  4. Step 4: Simplify right side
    3,764.21x = 15,866,969.54
  5. Step 5: Solve for x
    x = 15,866,969.54/3,764.21
  6. Step 6: Final answer
    x = 4,215.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.