Home / 1,941.33-2,679.03-1,057.14

Finding the Fourth Proportional to 1,941.33, 2,679.03 and 1,057.14

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Solution

The fourth proportional to 1,941.33, 2,679.03 and 1,057.14 is: 1,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.33 : 2,679.03 = 1,057.14 : x
  2. Step 2: Convert to fraction form
    1,941.33/2,679.03 = 1,057.14/x
  3. Step 3: Cross multiply
    1,941.33x = 2,679.03 × 1,057.14
  4. Step 4: Simplify right side
    1,941.33x = 2,832,109.77
  5. Step 5: Solve for x
    x = 2,832,109.77/1,941.33
  6. Step 6: Final answer
    x = 1,458.85

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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.