Home / 3,330.29-4,994.89-1,021.25

Finding the Fourth Proportional to 3,330.29, 4,994.89 and 1,021.25

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Solution

The fourth proportional to 3,330.29, 4,994.89 and 1,021.25 is: 1,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.29 : 4,994.89 = 1,021.25 : x
  2. Step 2: Convert to fraction form
    3,330.29/4,994.89 = 1,021.25/x
  3. Step 3: Cross multiply
    3,330.29x = 4,994.89 × 1,021.25
  4. Step 4: Simplify right side
    3,330.29x = 5,101,031.41
  5. Step 5: Solve for x
    x = 5,101,031.41/3,330.29
  6. Step 6: Final answer
    x = 1,531.71

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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.