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Finding the Fourth Proportional to 2,533.60, 3,800.02 and 802

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Solution

The fourth proportional to 2,533.60, 3,800.02 and 802 is: 1,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.60 : 3,800.02 = 802 : x
  2. Step 2: Convert to fraction form
    2,533.60/3,800.02 = 802/x
  3. Step 3: Cross multiply
    2,533.60x = 3,800.02 × 802
  4. Step 4: Simplify right side
    2,533.60x = 3,047,616.04
  5. Step 5: Solve for x
    x = 3,047,616.04/2,533.60
  6. Step 6: Final answer
    x = 1,202.88

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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.