Home / 2,086.18-2,878.46-1,246.73

Finding the Fourth Proportional to 2,086.18, 2,878.46 and 1,246.73

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Solution

The fourth proportional to 2,086.18, 2,878.46 and 1,246.73 is: 1,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.18 : 2,878.46 = 1,246.73 : x
  2. Step 2: Convert to fraction form
    2,086.18/2,878.46 = 1,246.73/x
  3. Step 3: Cross multiply
    2,086.18x = 2,878.46 × 1,246.73
  4. Step 4: Simplify right side
    2,086.18x = 3,588,662.44
  5. Step 5: Solve for x
    x = 3,588,662.44/2,086.18
  6. Step 6: Final answer
    x = 1,720.21

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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.