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Finding the Fourth Proportional to 1,800.90, 2,697.03 and 1,222.02

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Solution

The fourth proportional to 1,800.90, 2,697.03 and 1,222.02 is: 1,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.90 : 2,697.03 = 1,222.02 : x
  2. Step 2: Convert to fraction form
    1,800.90/2,697.03 = 1,222.02/x
  3. Step 3: Cross multiply
    1,800.90x = 2,697.03 × 1,222.02
  4. Step 4: Simplify right side
    1,800.90x = 3,295,824.60
  5. Step 5: Solve for x
    x = 3,295,824.60/1,800.90
  6. Step 6: Final answer
    x = 1,830.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.