Home / 3,412.35-4,711.38-2,628.27

Finding the Fourth Proportional to 3,412.35, 4,711.38 and 2,628.27

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Solution

The fourth proportional to 3,412.35, 4,711.38 and 2,628.27 is: 3,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.35 : 4,711.38 = 2,628.27 : x
  2. Step 2: Convert to fraction form
    3,412.35/4,711.38 = 2,628.27/x
  3. Step 3: Cross multiply
    3,412.35x = 4,711.38 × 2,628.27
  4. Step 4: Simplify right side
    3,412.35x = 12,382,778.71
  5. Step 5: Solve for x
    x = 12,382,778.71/3,412.35
  6. Step 6: Final answer
    x = 3,628.81

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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.