Home / 2,731.28-4,094.86-1,413.62

Finding the Fourth Proportional to 2,731.28, 4,094.86 and 1,413.62

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Solution

The fourth proportional to 2,731.28, 4,094.86 and 1,413.62 is: 2,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.28 : 4,094.86 = 1,413.62 : x
  2. Step 2: Convert to fraction form
    2,731.28/4,094.86 = 1,413.62/x
  3. Step 3: Cross multiply
    2,731.28x = 4,094.86 × 1,413.62
  4. Step 4: Simplify right side
    2,731.28x = 5,788,575.99
  5. Step 5: Solve for x
    x = 5,788,575.99/2,731.28
  6. Step 6: Final answer
    x = 2,119.36

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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.