Home / 2,039.80-3,055.62-942.60

Finding the Fourth Proportional to 2,039.80, 3,055.62 and 942.60

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Solution

The fourth proportional to 2,039.80, 3,055.62 and 942.60 is: 1,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.80 : 3,055.62 = 942.60 : x
  2. Step 2: Convert to fraction form
    2,039.80/3,055.62 = 942.60/x
  3. Step 3: Cross multiply
    2,039.80x = 3,055.62 × 942.60
  4. Step 4: Simplify right side
    2,039.80x = 2,880,227.41
  5. Step 5: Solve for x
    x = 2,880,227.41/2,039.80
  6. Step 6: Final answer
    x = 1,412.01

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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.