Home / 3,685.96-5,519.52-2,040.68

Finding the Fourth Proportional to 3,685.96, 5,519.52 and 2,040.68

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Solution

The fourth proportional to 3,685.96, 5,519.52 and 2,040.68 is: 3,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.96 : 5,519.52 = 2,040.68 : x
  2. Step 2: Convert to fraction form
    3,685.96/5,519.52 = 2,040.68/x
  3. Step 3: Cross multiply
    3,685.96x = 5,519.52 × 2,040.68
  4. Step 4: Simplify right side
    3,685.96x = 11,263,574.07
  5. Step 5: Solve for x
    x = 11,263,574.07/3,685.96
  6. Step 6: Final answer
    x = 3,055.80

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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.