Home / 3,021.05-4,531.71-1,563.05

Finding the Fourth Proportional to 3,021.05, 4,531.71 and 1,563.05

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Solution

The fourth proportional to 3,021.05, 4,531.71 and 1,563.05 is: 2,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.05 : 4,531.71 = 1,563.05 : x
  2. Step 2: Convert to fraction form
    3,021.05/4,531.71 = 1,563.05/x
  3. Step 3: Cross multiply
    3,021.05x = 4,531.71 × 1,563.05
  4. Step 4: Simplify right side
    3,021.05x = 7,083,289.32
  5. Step 5: Solve for x
    x = 7,083,289.32/3,021.05
  6. Step 6: Final answer
    x = 2,344.64

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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.