Home / 3,022.56-4,531.68-1,378.26

Finding the Fourth Proportional to 3,022.56, 4,531.68 and 1,378.26

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Solution

The fourth proportional to 3,022.56, 4,531.68 and 1,378.26 is: 2,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.56 : 4,531.68 = 1,378.26 : x
  2. Step 2: Convert to fraction form
    3,022.56/4,531.68 = 1,378.26/x
  3. Step 3: Cross multiply
    3,022.56x = 4,531.68 × 1,378.26
  4. Step 4: Simplify right side
    3,022.56x = 6,245,833.28
  5. Step 5: Solve for x
    x = 6,245,833.28/3,022.56
  6. Step 6: Final answer
    x = 2,066.41

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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.