Home / 3,407.75-5,111.63-942.59

Finding the Fourth Proportional to 3,407.75, 5,111.63 and 942.59

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Solution

The fourth proportional to 3,407.75, 5,111.63 and 942.59 is: 1,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.75 : 5,111.63 = 942.59 : x
  2. Step 2: Convert to fraction form
    3,407.75/5,111.63 = 942.59/x
  3. Step 3: Cross multiply
    3,407.75x = 5,111.63 × 942.59
  4. Step 4: Simplify right side
    3,407.75x = 4,818,141.05
  5. Step 5: Solve for x
    x = 4,818,141.05/3,407.75
  6. Step 6: Final answer
    x = 1,413.88

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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.