Home / 3,812.50-5,261.25-2,241.51

Finding the Fourth Proportional to 3,812.50, 5,261.25 and 2,241.51

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Solution

The fourth proportional to 3,812.50, 5,261.25 and 2,241.51 is: 3,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.50 : 5,261.25 = 2,241.51 : x
  2. Step 2: Convert to fraction form
    3,812.50/5,261.25 = 2,241.51/x
  3. Step 3: Cross multiply
    3,812.50x = 5,261.25 × 2,241.51
  4. Step 4: Simplify right side
    3,812.50x = 11,793,144.49
  5. Step 5: Solve for x
    x = 11,793,144.49/3,812.50
  6. Step 6: Final answer
    x = 3,093.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.