Home / 3,040.56-4,561.20-1,945.80

Finding the Fourth Proportional to 3,040.56, 4,561.20 and 1,945.80

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Solution

The fourth proportional to 3,040.56, 4,561.20 and 1,945.80 is: 2,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.56 : 4,561.20 = 1,945.80 : x
  2. Step 2: Convert to fraction form
    3,040.56/4,561.20 = 1,945.80/x
  3. Step 3: Cross multiply
    3,040.56x = 4,561.20 × 1,945.80
  4. Step 4: Simplify right side
    3,040.56x = 8,875,182.96
  5. Step 5: Solve for x
    x = 8,875,182.96/3,040.56
  6. Step 6: Final answer
    x = 2,918.93

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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.