Home / 2,021.23-3,032.45-634.75

Finding the Fourth Proportional to 2,021.23, 3,032.45 and 634.75

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Solution

The fourth proportional to 2,021.23, 3,032.45 and 634.75 is: 952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.23 : 3,032.45 = 634.75 : x
  2. Step 2: Convert to fraction form
    2,021.23/3,032.45 = 634.75/x
  3. Step 3: Cross multiply
    2,021.23x = 3,032.45 × 634.75
  4. Step 4: Simplify right side
    2,021.23x = 1,924,847.64
  5. Step 5: Solve for x
    x = 1,924,847.64/2,021.23
  6. Step 6: Final answer
    x = 952.31

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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.