Home / 2,021.89-3,032.84-635.44

Finding the Fourth Proportional to 2,021.89, 3,032.84 and 635.44

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Solution

The fourth proportional to 2,021.89, 3,032.84 and 635.44 is: 953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.89 : 3,032.84 = 635.44 : x
  2. Step 2: Convert to fraction form
    2,021.89/3,032.84 = 635.44/x
  3. Step 3: Cross multiply
    2,021.89x = 3,032.84 × 635.44
  4. Step 4: Simplify right side
    2,021.89x = 1,927,184.67
  5. Step 5: Solve for x
    x = 1,927,184.67/2,021.89
  6. Step 6: Final answer
    x = 953.16

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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.