Home / 2,047.30-3,065.55-1,611.70

Finding the Fourth Proportional to 2,047.30, 3,065.55 and 1,611.70

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Solution

The fourth proportional to 2,047.30, 3,065.55 and 1,611.70 is: 2,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.30 : 3,065.55 = 1,611.70 : x
  2. Step 2: Convert to fraction form
    2,047.30/3,065.55 = 1,611.70/x
  3. Step 3: Cross multiply
    2,047.30x = 3,065.55 × 1,611.70
  4. Step 4: Simplify right side
    2,047.30x = 4,940,746.94
  5. Step 5: Solve for x
    x = 4,940,746.94/2,047.30
  6. Step 6: Final answer
    x = 2,413.30

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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.