Home / 2,563.82-3,538.77-1,817.90

Finding the Fourth Proportional to 2,563.82, 3,538.77 and 1,817.90

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Solution

The fourth proportional to 2,563.82, 3,538.77 and 1,817.90 is: 2,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.82 : 3,538.77 = 1,817.90 : x
  2. Step 2: Convert to fraction form
    2,563.82/3,538.77 = 1,817.90/x
  3. Step 3: Cross multiply
    2,563.82x = 3,538.77 × 1,817.90
  4. Step 4: Simplify right side
    2,563.82x = 6,433,129.98
  5. Step 5: Solve for x
    x = 6,433,129.98/2,563.82
  6. Step 6: Final answer
    x = 2,509.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.