Home / 3,863.65-5,331.37-2,744.18

Finding the Fourth Proportional to 3,863.65, 5,331.37 and 2,744.18

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Solution

The fourth proportional to 3,863.65, 5,331.37 and 2,744.18 is: 3,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.65 : 5,331.37 = 2,744.18 : x
  2. Step 2: Convert to fraction form
    3,863.65/5,331.37 = 2,744.18/x
  3. Step 3: Cross multiply
    3,863.65x = 5,331.37 × 2,744.18
  4. Step 4: Simplify right side
    3,863.65x = 14,630,225.21
  5. Step 5: Solve for x
    x = 14,630,225.21/3,863.65
  6. Step 6: Final answer
    x = 3,786.63

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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.