Home / 3,828.48-5,729.76-2,711.76

Finding the Fourth Proportional to 3,828.48, 5,729.76 and 2,711.76

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Solution

The fourth proportional to 3,828.48, 5,729.76 and 2,711.76 is: 4,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.48 : 5,729.76 = 2,711.76 : x
  2. Step 2: Convert to fraction form
    3,828.48/5,729.76 = 2,711.76/x
  3. Step 3: Cross multiply
    3,828.48x = 5,729.76 × 2,711.76
  4. Step 4: Simplify right side
    3,828.48x = 15,537,733.98
  5. Step 5: Solve for x
    x = 15,537,733.98/3,828.48
  6. Step 6: Final answer
    x = 4,058.46

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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.