Home / 3,914.44-5,401.26-2,587.43

Finding the Fourth Proportional to 3,914.44, 5,401.26 and 2,587.43

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Solution

The fourth proportional to 3,914.44, 5,401.26 and 2,587.43 is: 3,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.44 : 5,401.26 = 2,587.43 : x
  2. Step 2: Convert to fraction form
    3,914.44/5,401.26 = 2,587.43/x
  3. Step 3: Cross multiply
    3,914.44x = 5,401.26 × 2,587.43
  4. Step 4: Simplify right side
    3,914.44x = 13,975,395.66
  5. Step 5: Solve for x
    x = 13,975,395.66/3,914.44
  6. Step 6: Final answer
    x = 3,570.22

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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.