Home / 2,020.45-3,029.56-633.41

Finding the Fourth Proportional to 2,020.45, 3,029.56 and 633.41

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Solution

The fourth proportional to 2,020.45, 3,029.56 and 633.41 is: 949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.45 : 3,029.56 = 633.41 : x
  2. Step 2: Convert to fraction form
    2,020.45/3,029.56 = 633.41/x
  3. Step 3: Cross multiply
    2,020.45x = 3,029.56 × 633.41
  4. Step 4: Simplify right side
    2,020.45x = 1,918,953.60
  5. Step 5: Solve for x
    x = 1,918,953.60/2,020.45
  6. Step 6: Final answer
    x = 949.77

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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.