Home / 1,634.85-2,447.96-1,374.21

Finding the Fourth Proportional to 1,634.85, 2,447.96 and 1,374.21

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Solution

The fourth proportional to 1,634.85, 2,447.96 and 1,374.21 is: 2,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.85 : 2,447.96 = 1,374.21 : x
  2. Step 2: Convert to fraction form
    1,634.85/2,447.96 = 1,374.21/x
  3. Step 3: Cross multiply
    1,634.85x = 2,447.96 × 1,374.21
  4. Step 4: Simplify right side
    1,634.85x = 3,364,004.24
  5. Step 5: Solve for x
    x = 3,364,004.24/1,634.85
  6. Step 6: Final answer
    x = 2,057.68

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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.