Home / 3,705.41-5,112.51-2,212.67

Finding the Fourth Proportional to 3,705.41, 5,112.51 and 2,212.67

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Solution

The fourth proportional to 3,705.41, 5,112.51 and 2,212.67 is: 3,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.41 : 5,112.51 = 2,212.67 : x
  2. Step 2: Convert to fraction form
    3,705.41/5,112.51 = 2,212.67/x
  3. Step 3: Cross multiply
    3,705.41x = 5,112.51 × 2,212.67
  4. Step 4: Simplify right side
    3,705.41x = 11,312,297.50
  5. Step 5: Solve for x
    x = 11,312,297.50/3,705.41
  6. Step 6: Final answer
    x = 3,052.91

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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.