Home / 1,922.24-2,651.46-1,135.73

Finding the Fourth Proportional to 1,922.24, 2,651.46 and 1,135.73

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Solution

The fourth proportional to 1,922.24, 2,651.46 and 1,135.73 is: 1,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.24 : 2,651.46 = 1,135.73 : x
  2. Step 2: Convert to fraction form
    1,922.24/2,651.46 = 1,135.73/x
  3. Step 3: Cross multiply
    1,922.24x = 2,651.46 × 1,135.73
  4. Step 4: Simplify right side
    1,922.24x = 3,011,342.67
  5. Step 5: Solve for x
    x = 3,011,342.67/1,922.24
  6. Step 6: Final answer
    x = 1,566.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.