Home / 2,442.94-3,639.20-2,291.67

Finding the Fourth Proportional to 2,442.94, 3,639.20 and 2,291.67

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Solution

The fourth proportional to 2,442.94, 3,639.20 and 2,291.67 is: 3,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.94 : 3,639.20 = 2,291.67 : x
  2. Step 2: Convert to fraction form
    2,442.94/3,639.20 = 2,291.67/x
  3. Step 3: Cross multiply
    2,442.94x = 3,639.20 × 2,291.67
  4. Step 4: Simplify right side
    2,442.94x = 8,339,834.01
  5. Step 5: Solve for x
    x = 8,339,834.01/2,442.94
  6. Step 6: Final answer
    x = 3,413.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.