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Finding the Fourth Proportional to 2,755.62, 3,802.63 and 1,560.58

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Solution

The fourth proportional to 2,755.62, 3,802.63 and 1,560.58 is: 2,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.62 : 3,802.63 = 1,560.58 : x
  2. Step 2: Convert to fraction form
    2,755.62/3,802.63 = 1,560.58/x
  3. Step 3: Cross multiply
    2,755.62x = 3,802.63 × 1,560.58
  4. Step 4: Simplify right side
    2,755.62x = 5,934,321.73
  5. Step 5: Solve for x
    x = 5,934,321.73/2,755.62
  6. Step 6: Final answer
    x = 2,153.53

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1.5x scale

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.