Home / 3,450.35-5,173.63-1,368.25

Finding the Fourth Proportional to 3,450.35, 5,173.63 and 1,368.25

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Solution

The fourth proportional to 3,450.35, 5,173.63 and 1,368.25 is: 2,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.35 : 5,173.63 = 1,368.25 : x
  2. Step 2: Convert to fraction form
    3,450.35/5,173.63 = 1,368.25/x
  3. Step 3: Cross multiply
    3,450.35x = 5,173.63 × 1,368.25
  4. Step 4: Simplify right side
    3,450.35x = 7,078,819.25
  5. Step 5: Solve for x
    x = 7,078,819.25/3,450.35
  6. Step 6: Final answer
    x = 2,051.62

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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.