Home / 2,122.44-2,926.62-1,335.48

Finding the Fourth Proportional to 2,122.44, 2,926.62 and 1,335.48

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Solution

The fourth proportional to 2,122.44, 2,926.62 and 1,335.48 is: 1,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.44 : 2,926.62 = 1,335.48 : x
  2. Step 2: Convert to fraction form
    2,122.44/2,926.62 = 1,335.48/x
  3. Step 3: Cross multiply
    2,122.44x = 2,926.62 × 1,335.48
  4. Step 4: Simplify right side
    2,122.44x = 3,908,442.48
  5. Step 5: Solve for x
    x = 3,908,442.48/2,122.44
  6. Step 6: Final answer
    x = 1,841.49

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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.