Home / 3,330.36-4,994.91-1,109.22

Finding the Fourth Proportional to 3,330.36, 4,994.91 and 1,109.22

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Solution

The fourth proportional to 3,330.36, 4,994.91 and 1,109.22 is: 1,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.36 : 4,994.91 = 1,109.22 : x
  2. Step 2: Convert to fraction form
    3,330.36/4,994.91 = 1,109.22/x
  3. Step 3: Cross multiply
    3,330.36x = 4,994.91 × 1,109.22
  4. Step 4: Simplify right side
    3,330.36x = 5,540,454.07
  5. Step 5: Solve for x
    x = 5,540,454.07/3,330.36
  6. Step 6: Final answer
    x = 1,663.62

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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.