Home / 3,550.36-5,330.40-2,257.60

Finding the Fourth Proportional to 3,550.36, 5,330.40 and 2,257.60

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Solution

The fourth proportional to 3,550.36, 5,330.40 and 2,257.60 is: 3,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.36 : 5,330.40 = 2,257.60 : x
  2. Step 2: Convert to fraction form
    3,550.36/5,330.40 = 2,257.60/x
  3. Step 3: Cross multiply
    3,550.36x = 5,330.40 × 2,257.60
  4. Step 4: Simplify right side
    3,550.36x = 12,033,911.04
  5. Step 5: Solve for x
    x = 12,033,911.04/3,550.36
  6. Step 6: Final answer
    x = 3,389.49

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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.