Home / 2,958.30-4,082.33-1,894.57

Finding the Fourth Proportional to 2,958.30, 4,082.33 and 1,894.57

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Solution

The fourth proportional to 2,958.30, 4,082.33 and 1,894.57 is: 2,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.30 : 4,082.33 = 1,894.57 : x
  2. Step 2: Convert to fraction form
    2,958.30/4,082.33 = 1,894.57/x
  3. Step 3: Cross multiply
    2,958.30x = 4,082.33 × 1,894.57
  4. Step 4: Simplify right side
    2,958.30x = 7,734,254.48
  5. Step 5: Solve for x
    x = 7,734,254.48/2,958.30
  6. Step 6: Final answer
    x = 2,614.43

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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.