Home / 2,954.15-4,431.21-1,104.79

Finding the Fourth Proportional to 2,954.15, 4,431.21 and 1,104.79

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Solution

The fourth proportional to 2,954.15, 4,431.21 and 1,104.79 is: 1,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.15 : 4,431.21 = 1,104.79 : x
  2. Step 2: Convert to fraction form
    2,954.15/4,431.21 = 1,104.79/x
  3. Step 3: Cross multiply
    2,954.15x = 4,431.21 × 1,104.79
  4. Step 4: Simplify right side
    2,954.15x = 4,895,556.50
  5. Step 5: Solve for x
    x = 4,895,556.50/2,954.15
  6. Step 6: Final answer
    x = 1,657.18

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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.