Home / 3,021.56-4,531.68-1,539.22

Finding the Fourth Proportional to 3,021.56, 4,531.68 and 1,539.22

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Solution

The fourth proportional to 3,021.56, 4,531.68 and 1,539.22 is: 2,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.56 : 4,531.68 = 1,539.22 : x
  2. Step 2: Convert to fraction form
    3,021.56/4,531.68 = 1,539.22/x
  3. Step 3: Cross multiply
    3,021.56x = 4,531.68 × 1,539.22
  4. Step 4: Simplify right side
    3,021.56x = 6,975,229.83
  5. Step 5: Solve for x
    x = 6,975,229.83/3,021.56
  6. Step 6: Final answer
    x = 2,308.49

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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.