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Finding the Fourth Proportional to 1,898.43, 2,847.78 and 599.87

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Solution

The fourth proportional to 1,898.43, 2,847.78 and 599.87 is: 899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.43 : 2,847.78 = 599.87 : x
  2. Step 2: Convert to fraction form
    1,898.43/2,847.78 = 599.87/x
  3. Step 3: Cross multiply
    1,898.43x = 2,847.78 × 599.87
  4. Step 4: Simplify right side
    1,898.43x = 1,708,283.55
  5. Step 5: Solve for x
    x = 1,708,283.55/1,898.43
  6. Step 6: Final answer
    x = 899.84

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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.