Home / 3,918.93-5,877.86-2,276.25

Finding the Fourth Proportional to 3,918.93, 5,877.86 and 2,276.25

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Solution

The fourth proportional to 3,918.93, 5,877.86 and 2,276.25 is: 3,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.93 : 5,877.86 = 2,276.25 : x
  2. Step 2: Convert to fraction form
    3,918.93/5,877.86 = 2,276.25/x
  3. Step 3: Cross multiply
    3,918.93x = 5,877.86 × 2,276.25
  4. Step 4: Simplify right side
    3,918.93x = 13,379,467.44
  5. Step 5: Solve for x
    x = 13,379,467.44/3,918.93
  6. Step 6: Final answer
    x = 3,414.06

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1.5x scale

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.