Home / 1,941.42-2,679.19-1,057.23

Finding the Fourth Proportional to 1,941.42, 2,679.19 and 1,057.23

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Solution

The fourth proportional to 1,941.42, 2,679.19 and 1,057.23 is: 1,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.42 : 2,679.19 = 1,057.23 : x
  2. Step 2: Convert to fraction form
    1,941.42/2,679.19 = 1,057.23/x
  3. Step 3: Cross multiply
    1,941.42x = 2,679.19 × 1,057.23
  4. Step 4: Simplify right side
    1,941.42x = 2,832,520.04
  5. Step 5: Solve for x
    x = 2,832,520.04/1,941.42
  6. Step 6: Final answer
    x = 1,458.99

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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.