Home / 3,578.42-5,358.90-2,113.22

Finding the Fourth Proportional to 3,578.42, 5,358.90 and 2,113.22

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Solution

The fourth proportional to 3,578.42, 5,358.90 and 2,113.22 is: 3,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.42 : 5,358.90 = 2,113.22 : x
  2. Step 2: Convert to fraction form
    3,578.42/5,358.90 = 2,113.22/x
  3. Step 3: Cross multiply
    3,578.42x = 5,358.90 × 2,113.22
  4. Step 4: Simplify right side
    3,578.42x = 11,324,534.66
  5. Step 5: Solve for x
    x = 11,324,534.66/3,578.42
  6. Step 6: Final answer
    x = 3,164.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.