Home / 3,107.98-4,662.69-1,161.46

Finding the Fourth Proportional to 3,107.98, 4,662.69 and 1,161.46

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Solution

The fourth proportional to 3,107.98, 4,662.69 and 1,161.46 is: 1,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.98 : 4,662.69 = 1,161.46 : x
  2. Step 2: Convert to fraction form
    3,107.98/4,662.69 = 1,161.46/x
  3. Step 3: Cross multiply
    3,107.98x = 4,662.69 × 1,161.46
  4. Step 4: Simplify right side
    3,107.98x = 5,415,527.93
  5. Step 5: Solve for x
    x = 5,415,527.93/3,107.98
  6. Step 6: Final answer
    x = 1,742.46

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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.