Home / 1,441.13-2,162.20-711.22

Finding the Fourth Proportional to 1,441.13, 2,162.20 and 711.22

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Solution

The fourth proportional to 1,441.13, 2,162.20 and 711.22 is: 1,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.13 : 2,162.20 = 711.22 : x
  2. Step 2: Convert to fraction form
    1,441.13/2,162.20 = 711.22/x
  3. Step 3: Cross multiply
    1,441.13x = 2,162.20 × 711.22
  4. Step 4: Simplify right side
    1,441.13x = 1,537,799.88
  5. Step 5: Solve for x
    x = 1,537,799.88/1,441.13
  6. Step 6: Final answer
    x = 1,067.08

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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.