Home / 1,944.36-2,685.06-1,940.40

Finding the Fourth Proportional to 1,944.36, 2,685.06 and 1,940.40

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Solution

The fourth proportional to 1,944.36, 2,685.06 and 1,940.40 is: 2,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.36 : 2,685.06 = 1,940.40 : x
  2. Step 2: Convert to fraction form
    1,944.36/2,685.06 = 1,940.40/x
  3. Step 3: Cross multiply
    1,944.36x = 2,685.06 × 1,940.40
  4. Step 4: Simplify right side
    1,944.36x = 5,210,090.42
  5. Step 5: Solve for x
    x = 5,210,090.42/1,944.36
  6. Step 6: Final answer
    x = 2,679.59

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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.