Home / 2,635.89-3,634.08-1,639.44

Finding the Fourth Proportional to 2,635.89, 3,634.08 and 1,639.44

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Solution

The fourth proportional to 2,635.89, 3,634.08 and 1,639.44 is: 2,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.89 : 3,634.08 = 1,639.44 : x
  2. Step 2: Convert to fraction form
    2,635.89/3,634.08 = 1,639.44/x
  3. Step 3: Cross multiply
    2,635.89x = 3,634.08 × 1,639.44
  4. Step 4: Simplify right side
    2,635.89x = 5,957,856.12
  5. Step 5: Solve for x
    x = 5,957,856.12/2,635.89
  6. Step 6: Final answer
    x = 2,260.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.