Home / 3,144.79-4,719.91-1,297.23

Finding the Fourth Proportional to 3,144.79, 4,719.91 and 1,297.23

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Solution

The fourth proportional to 3,144.79, 4,719.91 and 1,297.23 is: 1,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.79 : 4,719.91 = 1,297.23 : x
  2. Step 2: Convert to fraction form
    3,144.79/4,719.91 = 1,297.23/x
  3. Step 3: Cross multiply
    3,144.79x = 4,719.91 × 1,297.23
  4. Step 4: Simplify right side
    3,144.79x = 6,122,808.85
  5. Step 5: Solve for x
    x = 6,122,808.85/3,144.79
  6. Step 6: Final answer
    x = 1,946.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.