Home / 2,077.54-3,111.70-1,611.63

Finding the Fourth Proportional to 2,077.54, 3,111.70 and 1,611.63

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Solution

The fourth proportional to 2,077.54, 3,111.70 and 1,611.63 is: 2,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.54 : 3,111.70 = 1,611.63 : x
  2. Step 2: Convert to fraction form
    2,077.54/3,111.70 = 1,611.63/x
  3. Step 3: Cross multiply
    2,077.54x = 3,111.70 × 1,611.63
  4. Step 4: Simplify right side
    2,077.54x = 5,014,909.07
  5. Step 5: Solve for x
    x = 5,014,909.07/2,077.54
  6. Step 6: Final answer
    x = 2,413.87

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1.5x scale

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.