Home / 1,906.10-2,629.86-1,159.64

Finding the Fourth Proportional to 1,906.10, 2,629.86 and 1,159.64

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Solution

The fourth proportional to 1,906.10, 2,629.86 and 1,159.64 is: 1,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.10 : 2,629.86 = 1,159.64 : x
  2. Step 2: Convert to fraction form
    1,906.10/2,629.86 = 1,159.64/x
  3. Step 3: Cross multiply
    1,906.10x = 2,629.86 × 1,159.64
  4. Step 4: Simplify right side
    1,906.10x = 3,049,690.85
  5. Step 5: Solve for x
    x = 3,049,690.85/1,906.10
  6. Step 6: Final answer
    x = 1,599.96

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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.