Home / 3,257.72-4,877.06-2,021.40

Finding the Fourth Proportional to 3,257.72, 4,877.06 and 2,021.40

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Solution

The fourth proportional to 3,257.72, 4,877.06 and 2,021.40 is: 3,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.72 : 4,877.06 = 2,021.40 : x
  2. Step 2: Convert to fraction form
    3,257.72/4,877.06 = 2,021.40/x
  3. Step 3: Cross multiply
    3,257.72x = 4,877.06 × 2,021.40
  4. Step 4: Simplify right side
    3,257.72x = 9,858,489.08
  5. Step 5: Solve for x
    x = 9,858,489.08/3,257.72
  6. Step 6: Final answer
    x = 3,026.19

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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.