Home / 2,636.18-3,954.34-1,249.18

Finding the Fourth Proportional to 2,636.18, 3,954.34 and 1,249.18

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Solution

The fourth proportional to 2,636.18, 3,954.34 and 1,249.18 is: 1,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.18 : 3,954.34 = 1,249.18 : x
  2. Step 2: Convert to fraction form
    2,636.18/3,954.34 = 1,249.18/x
  3. Step 3: Cross multiply
    2,636.18x = 3,954.34 × 1,249.18
  4. Step 4: Simplify right side
    2,636.18x = 4,939,682.44
  5. Step 5: Solve for x
    x = 4,939,682.44/2,636.18
  6. Step 6: Final answer
    x = 1,873.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.