Home / 2,039.96-3,055.80-942.80

Finding the Fourth Proportional to 2,039.96, 3,055.80 and 942.80

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Solution

The fourth proportional to 2,039.96, 3,055.80 and 942.80 is: 1,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.96 : 3,055.80 = 942.80 : x
  2. Step 2: Convert to fraction form
    2,039.96/3,055.80 = 942.80/x
  3. Step 3: Cross multiply
    2,039.96x = 3,055.80 × 942.80
  4. Step 4: Simplify right side
    2,039.96x = 2,881,008.24
  5. Step 5: Solve for x
    x = 2,881,008.24/2,039.96
  6. Step 6: Final answer
    x = 1,412.29

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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.