Home / 1,897.23-2,618.67-1,337.86

Finding the Fourth Proportional to 1,897.23, 2,618.67 and 1,337.86

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Solution

The fourth proportional to 1,897.23, 2,618.67 and 1,337.86 is: 1,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.23 : 2,618.67 = 1,337.86 : x
  2. Step 2: Convert to fraction form
    1,897.23/2,618.67 = 1,337.86/x
  3. Step 3: Cross multiply
    1,897.23x = 2,618.67 × 1,337.86
  4. Step 4: Simplify right side
    1,897.23x = 3,503,413.85
  5. Step 5: Solve for x
    x = 3,503,413.85/1,897.23
  6. Step 6: Final answer
    x = 1,846.59

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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.