Home / 3,647.14-5,470.40-2,185.22

Finding the Fourth Proportional to 3,647.14, 5,470.40 and 2,185.22

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Solution

The fourth proportional to 3,647.14, 5,470.40 and 2,185.22 is: 3,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.14 : 5,470.40 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    3,647.14/5,470.40 = 2,185.22/x
  3. Step 3: Cross multiply
    3,647.14x = 5,470.40 × 2,185.22
  4. Step 4: Simplify right side
    3,647.14x = 11,954,027.49
  5. Step 5: Solve for x
    x = 11,954,027.49/3,647.14
  6. Step 6: Final answer
    x = 3,277.64

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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.