Home / 3,760.82-5,182.35-3,102.29

Finding the Fourth Proportional to 3,760.82, 5,182.35 and 3,102.29

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Solution

The fourth proportional to 3,760.82, 5,182.35 and 3,102.29 is: 4,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.82 : 5,182.35 = 3,102.29 : x
  2. Step 2: Convert to fraction form
    3,760.82/5,182.35 = 3,102.29/x
  3. Step 3: Cross multiply
    3,760.82x = 5,182.35 × 3,102.29
  4. Step 4: Simplify right side
    3,760.82x = 16,077,152.58
  5. Step 5: Solve for x
    x = 16,077,152.58/3,760.82
  6. Step 6: Final answer
    x = 4,274.91

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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.