Home / 1,942.18-2,674.37-1,739.90

Finding the Fourth Proportional to 1,942.18, 2,674.37 and 1,739.90

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Solution

The fourth proportional to 1,942.18, 2,674.37 and 1,739.90 is: 2,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.18 : 2,674.37 = 1,739.90 : x
  2. Step 2: Convert to fraction form
    1,942.18/2,674.37 = 1,739.90/x
  3. Step 3: Cross multiply
    1,942.18x = 2,674.37 × 1,739.90
  4. Step 4: Simplify right side
    1,942.18x = 4,653,136.36
  5. Step 5: Solve for x
    x = 4,653,136.36/1,942.18
  6. Step 6: Final answer
    x = 2,395.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.