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Finding the Fourth Proportional to 2,627.67, 3,942.87 and 1,702.99

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Solution

The fourth proportional to 2,627.67, 3,942.87 and 1,702.99 is: 2,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.67 : 3,942.87 = 1,702.99 : x
  2. Step 2: Convert to fraction form
    2,627.67/3,942.87 = 1,702.99/x
  3. Step 3: Cross multiply
    2,627.67x = 3,942.87 × 1,702.99
  4. Step 4: Simplify right side
    2,627.67x = 6,714,668.18
  5. Step 5: Solve for x
    x = 6,714,668.18/2,627.67
  6. Step 6: Final answer
    x = 2,555.37

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1.5x scale

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.