Home / 2,302.80-3,170.16-1,992.18

Finding the Fourth Proportional to 2,302.80, 3,170.16 and 1,992.18

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Solution

The fourth proportional to 2,302.80, 3,170.16 and 1,992.18 is: 2,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.80 : 3,170.16 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    2,302.80/3,170.16 = 1,992.18/x
  3. Step 3: Cross multiply
    2,302.80x = 3,170.16 × 1,992.18
  4. Step 4: Simplify right side
    2,302.80x = 6,315,529.35
  5. Step 5: Solve for x
    x = 6,315,529.35/2,302.80
  6. Step 6: Final answer
    x = 2,742.54

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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.