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Finding the Fourth Proportional to 2,007.62, 3,010.26 and 620.58

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Solution

The fourth proportional to 2,007.62, 3,010.26 and 620.58 is: 930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.62 : 3,010.26 = 620.58 : x
  2. Step 2: Convert to fraction form
    2,007.62/3,010.26 = 620.58/x
  3. Step 3: Cross multiply
    2,007.62x = 3,010.26 × 620.58
  4. Step 4: Simplify right side
    2,007.62x = 1,868,107.15
  5. Step 5: Solve for x
    x = 1,868,107.15/2,007.62
  6. Step 6: Final answer
    x = 930.51

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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.