Home / 1,563.72-2,350.98-1,522.68

Finding the Fourth Proportional to 1,563.72, 2,350.98 and 1,522.68

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Solution

The fourth proportional to 1,563.72, 2,350.98 and 1,522.68 is: 2,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.72 : 2,350.98 = 1,522.68 : x
  2. Step 2: Convert to fraction form
    1,563.72/2,350.98 = 1,522.68/x
  3. Step 3: Cross multiply
    1,563.72x = 2,350.98 × 1,522.68
  4. Step 4: Simplify right side
    1,563.72x = 3,579,790.23
  5. Step 5: Solve for x
    x = 3,579,790.23/1,563.72
  6. Step 6: Final answer
    x = 2,289.28

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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.