Home / 2,021.84-3,032.79-635.15

Finding the Fourth Proportional to 2,021.84, 3,032.79 and 635.15

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Solution

The fourth proportional to 2,021.84, 3,032.79 and 635.15 is: 952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.84 : 3,032.79 = 635.15 : x
  2. Step 2: Convert to fraction form
    2,021.84/3,032.79 = 635.15/x
  3. Step 3: Cross multiply
    2,021.84x = 3,032.79 × 635.15
  4. Step 4: Simplify right side
    2,021.84x = 1,926,261.40
  5. Step 5: Solve for x
    x = 1,926,261.40/2,021.84
  6. Step 6: Final answer
    x = 952.73

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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.