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Finding the Fourth Proportional to 1,755.75, 2,620.02 and 1,522.47

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Solution

The fourth proportional to 1,755.75, 2,620.02 and 1,522.47 is: 2,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.75 : 2,620.02 = 1,522.47 : x
  2. Step 2: Convert to fraction form
    1,755.75/2,620.02 = 1,522.47/x
  3. Step 3: Cross multiply
    1,755.75x = 2,620.02 × 1,522.47
  4. Step 4: Simplify right side
    1,755.75x = 3,988,901.85
  5. Step 5: Solve for x
    x = 3,988,901.85/1,755.75
  6. Step 6: Final answer
    x = 2,271.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.