Home / 1,940.22-2,677.41-1,055.97

Finding the Fourth Proportional to 1,940.22, 2,677.41 and 1,055.97

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Solution

The fourth proportional to 1,940.22, 2,677.41 and 1,055.97 is: 1,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.22 : 2,677.41 = 1,055.97 : x
  2. Step 2: Convert to fraction form
    1,940.22/2,677.41 = 1,055.97/x
  3. Step 3: Cross multiply
    1,940.22x = 2,677.41 × 1,055.97
  4. Step 4: Simplify right side
    1,940.22x = 2,827,264.64
  5. Step 5: Solve for x
    x = 2,827,264.64/1,940.22
  6. Step 6: Final answer
    x = 1,457.19

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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.