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Finding the Fourth Proportional to 2,122.60, 3,184.06 and 562.60

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Solution

The fourth proportional to 2,122.60, 3,184.06 and 562.60 is: 843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.60 : 3,184.06 = 562.60 : x
  2. Step 2: Convert to fraction form
    2,122.60/3,184.06 = 562.60/x
  3. Step 3: Cross multiply
    2,122.60x = 3,184.06 × 562.60
  4. Step 4: Simplify right side
    2,122.60x = 1,791,337.87
  5. Step 5: Solve for x
    x = 1,791,337.87/2,122.60
  6. Step 6: Final answer
    x = 843.94

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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.