Home / 3,813.09-5,717.75-1,347.55

Finding the Fourth Proportional to 3,813.09, 5,717.75 and 1,347.55

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Solution

The fourth proportional to 3,813.09, 5,717.75 and 1,347.55 is: 2,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.09 : 5,717.75 = 1,347.55 : x
  2. Step 2: Convert to fraction form
    3,813.09/5,717.75 = 1,347.55/x
  3. Step 3: Cross multiply
    3,813.09x = 5,717.75 × 1,347.55
  4. Step 4: Simplify right side
    3,813.09x = 7,704,954.01
  5. Step 5: Solve for x
    x = 7,704,954.01/3,813.09
  6. Step 6: Final answer
    x = 2,020.66

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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.