Home / 1,610.51-2,413.24-1,285.79

Finding the Fourth Proportional to 1,610.51, 2,413.24 and 1,285.79

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Solution

The fourth proportional to 1,610.51, 2,413.24 and 1,285.79 is: 1,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.51 : 2,413.24 = 1,285.79 : x
  2. Step 2: Convert to fraction form
    1,610.51/2,413.24 = 1,285.79/x
  3. Step 3: Cross multiply
    1,610.51x = 2,413.24 × 1,285.79
  4. Step 4: Simplify right side
    1,610.51x = 3,102,919.86
  5. Step 5: Solve for x
    x = 3,102,919.86/1,610.51
  6. Step 6: Final answer
    x = 1,926.67

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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.