Home / 3,267.52-4,902.72-1,320.64

Finding the Fourth Proportional to 3,267.52, 4,902.72 and 1,320.64

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Solution

The fourth proportional to 3,267.52, 4,902.72 and 1,320.64 is: 1,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.52 : 4,902.72 = 1,320.64 : x
  2. Step 2: Convert to fraction form
    3,267.52/4,902.72 = 1,320.64/x
  3. Step 3: Cross multiply
    3,267.52x = 4,902.72 × 1,320.64
  4. Step 4: Simplify right side
    3,267.52x = 6,474,728.14
  5. Step 5: Solve for x
    x = 6,474,728.14/3,267.52
  6. Step 6: Final answer
    x = 1,981.54

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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.