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Finding the Fourth Proportional to 1,922.99, 2,884.50 and 536.42

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Solution

The fourth proportional to 1,922.99, 2,884.50 and 536.42 is: 804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.99 : 2,884.50 = 536.42 : x
  2. Step 2: Convert to fraction form
    1,922.99/2,884.50 = 536.42/x
  3. Step 3: Cross multiply
    1,922.99x = 2,884.50 × 536.42
  4. Step 4: Simplify right side
    1,922.99x = 1,547,310.70
  5. Step 5: Solve for x
    x = 1,547,310.70/1,922.99
  6. Step 6: Final answer
    x = 804.64

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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.