Home / 1,441.21-2,161.27-1,133.66

Finding the Fourth Proportional to 1,441.21, 2,161.27 and 1,133.66

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Solution

The fourth proportional to 1,441.21, 2,161.27 and 1,133.66 is: 1,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.21 : 2,161.27 = 1,133.66 : x
  2. Step 2: Convert to fraction form
    1,441.21/2,161.27 = 1,133.66/x
  3. Step 3: Cross multiply
    1,441.21x = 2,161.27 × 1,133.66
  4. Step 4: Simplify right side
    1,441.21x = 2,450,145.35
  5. Step 5: Solve for x
    x = 2,450,145.35/1,441.21
  6. Step 6: Final answer
    x = 1,700.06

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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.