Home / 3,351.40-4,625.40-2,791.06

Finding the Fourth Proportional to 3,351.40, 4,625.40 and 2,791.06

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Solution

The fourth proportional to 3,351.40, 4,625.40 and 2,791.06 is: 3,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.40 : 4,625.40 = 2,791.06 : x
  2. Step 2: Convert to fraction form
    3,351.40/4,625.40 = 2,791.06/x
  3. Step 3: Cross multiply
    3,351.40x = 4,625.40 × 2,791.06
  4. Step 4: Simplify right side
    3,351.40x = 12,909,768.92
  5. Step 5: Solve for x
    x = 12,909,768.92/3,351.40
  6. Step 6: Final answer
    x = 3,852.05

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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.