Home / 1,940.26-2,677.56-1,154.38

Finding the Fourth Proportional to 1,940.26, 2,677.56 and 1,154.38

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Solution

The fourth proportional to 1,940.26, 2,677.56 and 1,154.38 is: 1,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.26 : 2,677.56 = 1,154.38 : x
  2. Step 2: Convert to fraction form
    1,940.26/2,677.56 = 1,154.38/x
  3. Step 3: Cross multiply
    1,940.26x = 2,677.56 × 1,154.38
  4. Step 4: Simplify right side
    1,940.26x = 3,090,921.71
  5. Step 5: Solve for x
    x = 3,090,921.71/1,940.26
  6. Step 6: Final answer
    x = 1,593.05

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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.