Home / 3,645.86-5,029.61-3,226.68

Finding the Fourth Proportional to 3,645.86, 5,029.61 and 3,226.68

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Solution

The fourth proportional to 3,645.86, 5,029.61 and 3,226.68 is: 4,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.86 : 5,029.61 = 3,226.68 : x
  2. Step 2: Convert to fraction form
    3,645.86/5,029.61 = 3,226.68/x
  3. Step 3: Cross multiply
    3,645.86x = 5,029.61 × 3,226.68
  4. Step 4: Simplify right side
    3,645.86x = 16,228,925.86
  5. Step 5: Solve for x
    x = 16,228,925.86/3,645.86
  6. Step 6: Final answer
    x = 4,451.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.