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Finding the Fourth Proportional to 2,223.36, 3,334.32 and 662.76

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Solution

The fourth proportional to 2,223.36, 3,334.32 and 662.76 is: 993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.36 : 3,334.32 = 662.76 : x
  2. Step 2: Convert to fraction form
    2,223.36/3,334.32 = 662.76/x
  3. Step 3: Cross multiply
    2,223.36x = 3,334.32 × 662.76
  4. Step 4: Simplify right side
    2,223.36x = 2,209,853.92
  5. Step 5: Solve for x
    x = 2,209,853.92/2,223.36
  6. Step 6: Final answer
    x = 993.93

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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.