Home / 2,065.40-2,849.96-1,181.26

Finding the Fourth Proportional to 2,065.40, 2,849.96 and 1,181.26

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Solution

The fourth proportional to 2,065.40, 2,849.96 and 1,181.26 is: 1,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.40 : 2,849.96 = 1,181.26 : x
  2. Step 2: Convert to fraction form
    2,065.40/2,849.96 = 1,181.26/x
  3. Step 3: Cross multiply
    2,065.40x = 2,849.96 × 1,181.26
  4. Step 4: Simplify right side
    2,065.40x = 3,366,539.58
  5. Step 5: Solve for x
    x = 3,366,539.58/2,065.40
  6. Step 6: Final answer
    x = 1,629.97

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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.