Home / 2,306.27-3,181.74-1,297.74

Finding the Fourth Proportional to 2,306.27, 3,181.74 and 1,297.74

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Solution

The fourth proportional to 2,306.27, 3,181.74 and 1,297.74 is: 1,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.27 : 3,181.74 = 1,297.74 : x
  2. Step 2: Convert to fraction form
    2,306.27/3,181.74 = 1,297.74/x
  3. Step 3: Cross multiply
    2,306.27x = 3,181.74 × 1,297.74
  4. Step 4: Simplify right side
    2,306.27x = 4,129,071.27
  5. Step 5: Solve for x
    x = 4,129,071.27/2,306.27
  6. Step 6: Final answer
    x = 1,790.37

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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.