Home / 2,211.52-3,051.94-1,425.84

Finding the Fourth Proportional to 2,211.52, 3,051.94 and 1,425.84

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Solution

The fourth proportional to 2,211.52, 3,051.94 and 1,425.84 is: 1,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.52 : 3,051.94 = 1,425.84 : x
  2. Step 2: Convert to fraction form
    2,211.52/3,051.94 = 1,425.84/x
  3. Step 3: Cross multiply
    2,211.52x = 3,051.94 × 1,425.84
  4. Step 4: Simplify right side
    2,211.52x = 4,351,578.13
  5. Step 5: Solve for x
    x = 4,351,578.13/2,211.52
  6. Step 6: Final answer
    x = 1,967.69

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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.