Home / 1,899.46-2,847.49-1,022.43

Finding the Fourth Proportional to 1,899.46, 2,847.49 and 1,022.43

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Solution

The fourth proportional to 1,899.46, 2,847.49 and 1,022.43 is: 1,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.46 : 2,847.49 = 1,022.43 : x
  2. Step 2: Convert to fraction form
    1,899.46/2,847.49 = 1,022.43/x
  3. Step 3: Cross multiply
    1,899.46x = 2,847.49 × 1,022.43
  4. Step 4: Simplify right side
    1,899.46x = 2,911,339.85
  5. Step 5: Solve for x
    x = 2,911,339.85/1,899.46
  6. Step 6: Final answer
    x = 1,532.72

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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.