Home / 2,269.98-3,397.64-1,172.82

Finding the Fourth Proportional to 2,269.98, 3,397.64 and 1,172.82

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Solution

The fourth proportional to 2,269.98, 3,397.64 and 1,172.82 is: 1,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.98 : 3,397.64 = 1,172.82 : x
  2. Step 2: Convert to fraction form
    2,269.98/3,397.64 = 1,172.82/x
  3. Step 3: Cross multiply
    2,269.98x = 3,397.64 × 1,172.82
  4. Step 4: Simplify right side
    2,269.98x = 3,984,820.14
  5. Step 5: Solve for x
    x = 3,984,820.14/2,269.98
  6. Step 6: Final answer
    x = 1,755.44

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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.