Home / 3,169.12-4,373.60-1,771.88

Finding the Fourth Proportional to 3,169.12, 4,373.60 and 1,771.88

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Solution

The fourth proportional to 3,169.12, 4,373.60 and 1,771.88 is: 2,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.12 : 4,373.60 = 1,771.88 : x
  2. Step 2: Convert to fraction form
    3,169.12/4,373.60 = 1,771.88/x
  3. Step 3: Cross multiply
    3,169.12x = 4,373.60 × 1,771.88
  4. Step 4: Simplify right side
    3,169.12x = 7,749,494.37
  5. Step 5: Solve for x
    x = 7,749,494.37/3,169.12
  6. Step 6: Final answer
    x = 2,445.31

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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.