Home / 2,438.26-3,655.23-1,821.22

Finding the Fourth Proportional to 2,438.26, 3,655.23 and 1,821.22

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Solution

The fourth proportional to 2,438.26, 3,655.23 and 1,821.22 is: 2,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.26 : 3,655.23 = 1,821.22 : x
  2. Step 2: Convert to fraction form
    2,438.26/3,655.23 = 1,821.22/x
  3. Step 3: Cross multiply
    2,438.26x = 3,655.23 × 1,821.22
  4. Step 4: Simplify right side
    2,438.26x = 6,656,977.98
  5. Step 5: Solve for x
    x = 6,656,977.98/2,438.26
  6. Step 6: Final answer
    x = 2,730.22

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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.