Home / 3,448.50-5,168.09-1,886.15

Finding the Fourth Proportional to 3,448.50, 5,168.09 and 1,886.15

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Solution

The fourth proportional to 3,448.50, 5,168.09 and 1,886.15 is: 2,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.50 : 5,168.09 = 1,886.15 : x
  2. Step 2: Convert to fraction form
    3,448.50/5,168.09 = 1,886.15/x
  3. Step 3: Cross multiply
    3,448.50x = 5,168.09 × 1,886.15
  4. Step 4: Simplify right side
    3,448.50x = 9,747,757.68
  5. Step 5: Solve for x
    x = 9,747,757.68/3,448.50
  6. Step 6: Final answer
    x = 2,826.67

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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.