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Finding the Fourth Proportional to 2,223.05, 3,334.55 and 663.03

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Solution

The fourth proportional to 2,223.05, 3,334.55 and 663.03 is: 994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.05 : 3,334.55 = 663.03 : x
  2. Step 2: Convert to fraction form
    2,223.05/3,334.55 = 663.03/x
  3. Step 3: Cross multiply
    2,223.05x = 3,334.55 × 663.03
  4. Step 4: Simplify right side
    2,223.05x = 2,210,903.37
  5. Step 5: Solve for x
    x = 2,210,903.37/2,223.05
  6. Step 6: Final answer
    x = 994.54

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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.