Home / 3,220.36-4,447.81-2,340.09

Finding the Fourth Proportional to 3,220.36, 4,447.81 and 2,340.09

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Solution

The fourth proportional to 3,220.36, 4,447.81 and 2,340.09 is: 3,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.36 : 4,447.81 = 2,340.09 : x
  2. Step 2: Convert to fraction form
    3,220.36/4,447.81 = 2,340.09/x
  3. Step 3: Cross multiply
    3,220.36x = 4,447.81 × 2,340.09
  4. Step 4: Simplify right side
    3,220.36x = 10,408,278.63
  5. Step 5: Solve for x
    x = 10,408,278.63/3,220.36
  6. Step 6: Final answer
    x = 3,232.03

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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.