Home / 3,645.32-5,468.94-1,305.56

Finding the Fourth Proportional to 3,645.32, 5,468.94 and 1,305.56

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Solution

The fourth proportional to 3,645.32, 5,468.94 and 1,305.56 is: 1,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.32 : 5,468.94 = 1,305.56 : x
  2. Step 2: Convert to fraction form
    3,645.32/5,468.94 = 1,305.56/x
  3. Step 3: Cross multiply
    3,645.32x = 5,468.94 × 1,305.56
  4. Step 4: Simplify right side
    3,645.32x = 7,140,029.31
  5. Step 5: Solve for x
    x = 7,140,029.31/3,645.32
  6. Step 6: Final answer
    x = 1,958.68

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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.