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Finding the Fourth Proportional to 2,012.32, 3,018.28 and 625.62

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Solution

The fourth proportional to 2,012.32, 3,018.28 and 625.62 is: 938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.32 : 3,018.28 = 625.62 : x
  2. Step 2: Convert to fraction form
    2,012.32/3,018.28 = 625.62/x
  3. Step 3: Cross multiply
    2,012.32x = 3,018.28 × 625.62
  4. Step 4: Simplify right side
    2,012.32x = 1,888,296.33
  5. Step 5: Solve for x
    x = 1,888,296.33/2,012.32
  6. Step 6: Final answer
    x = 938.37

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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.