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Finding the Fourth Proportional to 2,016.77, 3,025.43 and 630.21

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Solution

The fourth proportional to 2,016.77, 3,025.43 and 630.21 is: 945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.77 : 3,025.43 = 630.21 : x
  2. Step 2: Convert to fraction form
    2,016.77/3,025.43 = 630.21/x
  3. Step 3: Cross multiply
    2,016.77x = 3,025.43 × 630.21
  4. Step 4: Simplify right side
    2,016.77x = 1,906,656.24
  5. Step 5: Solve for x
    x = 1,906,656.24/2,016.77
  6. Step 6: Final answer
    x = 945.40

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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.