Home / 3,365.79-4,642.87-2,021.04

Finding the Fourth Proportional to 3,365.79, 4,642.87 and 2,021.04

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Solution

The fourth proportional to 3,365.79, 4,642.87 and 2,021.04 is: 2,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.79 : 4,642.87 = 2,021.04 : x
  2. Step 2: Convert to fraction form
    3,365.79/4,642.87 = 2,021.04/x
  3. Step 3: Cross multiply
    3,365.79x = 4,642.87 × 2,021.04
  4. Step 4: Simplify right side
    3,365.79x = 9,383,425.98
  5. Step 5: Solve for x
    x = 9,383,425.98/3,365.79
  6. Step 6: Final answer
    x = 2,787.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.