Home / 3,020.80-4,531.34-1,562.80

Finding the Fourth Proportional to 3,020.80, 4,531.34 and 1,562.80

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Solution

The fourth proportional to 3,020.80, 4,531.34 and 1,562.80 is: 2,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.80 : 4,531.34 = 1,562.80 : x
  2. Step 2: Convert to fraction form
    3,020.80/4,531.34 = 1,562.80/x
  3. Step 3: Cross multiply
    3,020.80x = 4,531.34 × 1,562.80
  4. Step 4: Simplify right side
    3,020.80x = 7,081,578.15
  5. Step 5: Solve for x
    x = 7,081,578.15/3,020.80
  6. Step 6: Final answer
    x = 2,344.27

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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.