Home / 1,922.95-2,651.27-1,604.06

Finding the Fourth Proportional to 1,922.95, 2,651.27 and 1,604.06

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Solution

The fourth proportional to 1,922.95, 2,651.27 and 1,604.06 is: 2,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.95 : 2,651.27 = 1,604.06 : x
  2. Step 2: Convert to fraction form
    1,922.95/2,651.27 = 1,604.06/x
  3. Step 3: Cross multiply
    1,922.95x = 2,651.27 × 1,604.06
  4. Step 4: Simplify right side
    1,922.95x = 4,252,806.79
  5. Step 5: Solve for x
    x = 4,252,806.79/1,922.95
  6. Step 6: Final answer
    x = 2,211.61

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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.