Home / 2,958.15-4,082.16-1,910.22

Finding the Fourth Proportional to 2,958.15, 4,082.16 and 1,910.22

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Solution

The fourth proportional to 2,958.15, 4,082.16 and 1,910.22 is: 2,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.15 : 4,082.16 = 1,910.22 : x
  2. Step 2: Convert to fraction form
    2,958.15/4,082.16 = 1,910.22/x
  3. Step 3: Cross multiply
    2,958.15x = 4,082.16 × 1,910.22
  4. Step 4: Simplify right side
    2,958.15x = 7,797,823.68
  5. Step 5: Solve for x
    x = 7,797,823.68/2,958.15
  6. Step 6: Final answer
    x = 2,636.05

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1.5x scale

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.