Home / 2,442.05-3,664.38-1,620.71

Finding the Fourth Proportional to 2,442.05, 3,664.38 and 1,620.71

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Solution

The fourth proportional to 2,442.05, 3,664.38 and 1,620.71 is: 2,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.05 : 3,664.38 = 1,620.71 : x
  2. Step 2: Convert to fraction form
    2,442.05/3,664.38 = 1,620.71/x
  3. Step 3: Cross multiply
    2,442.05x = 3,664.38 × 1,620.71
  4. Step 4: Simplify right side
    2,442.05x = 5,938,878.99
  5. Step 5: Solve for x
    x = 5,938,878.99/2,442.05
  6. Step 6: Final answer
    x = 2,431.93

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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.