Home / 3,206.48-4,420.83-2,629.45

Finding the Fourth Proportional to 3,206.48, 4,420.83 and 2,629.45

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Solution

The fourth proportional to 3,206.48, 4,420.83 and 2,629.45 is: 3,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.48 : 4,420.83 = 2,629.45 : x
  2. Step 2: Convert to fraction form
    3,206.48/4,420.83 = 2,629.45/x
  3. Step 3: Cross multiply
    3,206.48x = 4,420.83 × 2,629.45
  4. Step 4: Simplify right side
    3,206.48x = 11,624,338.30
  5. Step 5: Solve for x
    x = 11,624,338.30/3,206.48
  6. Step 6: Final answer
    x = 3,625.26

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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.