Home / 3,391.74-5,090.94-2,515.41

Finding the Fourth Proportional to 3,391.74, 5,090.94 and 2,515.41

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Solution

The fourth proportional to 3,391.74, 5,090.94 and 2,515.41 is: 3,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.74 : 5,090.94 = 2,515.41 : x
  2. Step 2: Convert to fraction form
    3,391.74/5,090.94 = 2,515.41/x
  3. Step 3: Cross multiply
    3,391.74x = 5,090.94 × 2,515.41
  4. Step 4: Simplify right side
    3,391.74x = 12,805,801.39
  5. Step 5: Solve for x
    x = 12,805,801.39/3,391.74
  6. Step 6: Final answer
    x = 3,775.58

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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.