Home / 1,563.41-2,338.23-1,391.29

Finding the Fourth Proportional to 1,563.41, 2,338.23 and 1,391.29

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Solution

The fourth proportional to 1,563.41, 2,338.23 and 1,391.29 is: 2,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.41 : 2,338.23 = 1,391.29 : x
  2. Step 2: Convert to fraction form
    1,563.41/2,338.23 = 1,391.29/x
  3. Step 3: Cross multiply
    1,563.41x = 2,338.23 × 1,391.29
  4. Step 4: Simplify right side
    1,563.41x = 3,253,149.06
  5. Step 5: Solve for x
    x = 3,253,149.06/1,563.41
  6. Step 6: Final answer
    x = 2,080.80

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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.