Home / 2,622.14-3,622.53-1,957.85

Finding the Fourth Proportional to 2,622.14, 3,622.53 and 1,957.85

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Solution

The fourth proportional to 2,622.14, 3,622.53 and 1,957.85 is: 2,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.14 : 3,622.53 = 1,957.85 : x
  2. Step 2: Convert to fraction form
    2,622.14/3,622.53 = 1,957.85/x
  3. Step 3: Cross multiply
    2,622.14x = 3,622.53 × 1,957.85
  4. Step 4: Simplify right side
    2,622.14x = 7,092,352.25
  5. Step 5: Solve for x
    x = 7,092,352.25/2,622.14
  6. Step 6: Final answer
    x = 2,704.80

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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.