Home / 3,087.47-4,261.41-1,968.19

Finding the Fourth Proportional to 3,087.47, 4,261.41 and 1,968.19

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Solution

The fourth proportional to 3,087.47, 4,261.41 and 1,968.19 is: 2,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.47 : 4,261.41 = 1,968.19 : x
  2. Step 2: Convert to fraction form
    3,087.47/4,261.41 = 1,968.19/x
  3. Step 3: Cross multiply
    3,087.47x = 4,261.41 × 1,968.19
  4. Step 4: Simplify right side
    3,087.47x = 8,387,233.40
  5. Step 5: Solve for x
    x = 8,387,233.40/3,087.47
  6. Step 6: Final answer
    x = 2,716.54

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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.