Home / 3,379.56-5,069.34-1,188.32

Finding the Fourth Proportional to 3,379.56, 5,069.34 and 1,188.32

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Solution

The fourth proportional to 3,379.56, 5,069.34 and 1,188.32 is: 1,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.56 : 5,069.34 = 1,188.32 : x
  2. Step 2: Convert to fraction form
    3,379.56/5,069.34 = 1,188.32/x
  3. Step 3: Cross multiply
    3,379.56x = 5,069.34 × 1,188.32
  4. Step 4: Simplify right side
    3,379.56x = 6,023,998.11
  5. Step 5: Solve for x
    x = 6,023,998.11/3,379.56
  6. Step 6: Final answer
    x = 1,782.48

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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.