Home / 2,873.05-4,312.61-1,413.22

Finding the Fourth Proportional to 2,873.05, 4,312.61 and 1,413.22

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Solution

The fourth proportional to 2,873.05, 4,312.61 and 1,413.22 is: 2,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.05 : 4,312.61 = 1,413.22 : x
  2. Step 2: Convert to fraction form
    2,873.05/4,312.61 = 1,413.22/x
  3. Step 3: Cross multiply
    2,873.05x = 4,312.61 × 1,413.22
  4. Step 4: Simplify right side
    2,873.05x = 6,094,666.70
  5. Step 5: Solve for x
    x = 6,094,666.70/2,873.05
  6. Step 6: Final answer
    x = 2,121.32

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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.