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Finding the Fourth Proportional to 2,284.50, 3,426.90 and 897.72

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Solution

The fourth proportional to 2,284.50, 3,426.90 and 897.72 is: 1,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.50 : 3,426.90 = 897.72 : x
  2. Step 2: Convert to fraction form
    2,284.50/3,426.90 = 897.72/x
  3. Step 3: Cross multiply
    2,284.50x = 3,426.90 × 897.72
  4. Step 4: Simplify right side
    2,284.50x = 3,076,396.67
  5. Step 5: Solve for x
    x = 3,076,396.67/2,284.50
  6. Step 6: Final answer
    x = 1,346.64

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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.