Home / 3,450.37-5,172.63-1,575.59

Finding the Fourth Proportional to 3,450.37, 5,172.63 and 1,575.59

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Solution

The fourth proportional to 3,450.37, 5,172.63 and 1,575.59 is: 2,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.37 : 5,172.63 = 1,575.59 : x
  2. Step 2: Convert to fraction form
    3,450.37/5,172.63 = 1,575.59/x
  3. Step 3: Cross multiply
    3,450.37x = 5,172.63 × 1,575.59
  4. Step 4: Simplify right side
    3,450.37x = 8,149,944.10
  5. Step 5: Solve for x
    x = 8,149,944.10/3,450.37
  6. Step 6: Final answer
    x = 2,362.05

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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.