Home / 3,760.19-5,185.92-2,818.23

Finding the Fourth Proportional to 3,760.19, 5,185.92 and 2,818.23

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Solution

The fourth proportional to 3,760.19, 5,185.92 and 2,818.23 is: 3,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.19 : 5,185.92 = 2,818.23 : x
  2. Step 2: Convert to fraction form
    3,760.19/5,185.92 = 2,818.23/x
  3. Step 3: Cross multiply
    3,760.19x = 5,185.92 × 2,818.23
  4. Step 4: Simplify right side
    3,760.19x = 14,615,106.44
  5. Step 5: Solve for x
    x = 14,615,106.44/3,760.19
  6. Step 6: Final answer
    x = 3,886.80

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Half scale
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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.