Home / 4,120.92-5,682.69-2,701.80

Finding the Fourth Proportional to 4,120.92, 5,682.69 and 2,701.80

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Solution

The fourth proportional to 4,120.92, 5,682.69 and 2,701.80 is: 3,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.92 : 5,682.69 = 2,701.80 : x
  2. Step 2: Convert to fraction form
    4,120.92/5,682.69 = 2,701.80/x
  3. Step 3: Cross multiply
    4,120.92x = 5,682.69 × 2,701.80
  4. Step 4: Simplify right side
    4,120.92x = 15,353,491.84
  5. Step 5: Solve for x
    x = 15,353,491.84/4,120.92
  6. Step 6: Final answer
    x = 3,725.74

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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.