Home / 2,110.58-2,912.55-1,179.26

Finding the Fourth Proportional to 2,110.58, 2,912.55 and 1,179.26

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Solution

The fourth proportional to 2,110.58, 2,912.55 and 1,179.26 is: 1,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.58 : 2,912.55 = 1,179.26 : x
  2. Step 2: Convert to fraction form
    2,110.58/2,912.55 = 1,179.26/x
  3. Step 3: Cross multiply
    2,110.58x = 2,912.55 × 1,179.26
  4. Step 4: Simplify right side
    2,110.58x = 3,434,653.71
  5. Step 5: Solve for x
    x = 3,434,653.71/2,110.58
  6. Step 6: Final answer
    x = 1,627.35

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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.