Home / 3,326.10-4,989.69-1,477.86

Finding the Fourth Proportional to 3,326.10, 4,989.69 and 1,477.86

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Solution

The fourth proportional to 3,326.10, 4,989.69 and 1,477.86 is: 2,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.10 : 4,989.69 = 1,477.86 : x
  2. Step 2: Convert to fraction form
    3,326.10/4,989.69 = 1,477.86/x
  3. Step 3: Cross multiply
    3,326.10x = 4,989.69 × 1,477.86
  4. Step 4: Simplify right side
    3,326.10x = 7,374,063.26
  5. Step 5: Solve for x
    x = 7,374,063.26/3,326.10
  6. Step 6: Final answer
    x = 2,217.03

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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.