Home / 3,854.34-5,777.51-1,877.09

Finding the Fourth Proportional to 3,854.34, 5,777.51 and 1,877.09

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Solution

The fourth proportional to 3,854.34, 5,777.51 and 1,877.09 is: 2,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.34 : 5,777.51 = 1,877.09 : x
  2. Step 2: Convert to fraction form
    3,854.34/5,777.51 = 1,877.09/x
  3. Step 3: Cross multiply
    3,854.34x = 5,777.51 × 1,877.09
  4. Step 4: Simplify right side
    3,854.34x = 10,844,867.97
  5. Step 5: Solve for x
    x = 10,844,867.97/3,854.34
  6. Step 6: Final answer
    x = 2,813.68

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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.