Home / 3,137.48-4,697.26-2,109.64

Finding the Fourth Proportional to 3,137.48, 4,697.26 and 2,109.64

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Solution

The fourth proportional to 3,137.48, 4,697.26 and 2,109.64 is: 3,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.48 : 4,697.26 = 2,109.64 : x
  2. Step 2: Convert to fraction form
    3,137.48/4,697.26 = 2,109.64/x
  3. Step 3: Cross multiply
    3,137.48x = 4,697.26 × 2,109.64
  4. Step 4: Simplify right side
    3,137.48x = 9,909,527.59
  5. Step 5: Solve for x
    x = 9,909,527.59/3,137.48
  6. Step 6: Final answer
    x = 3,158.44

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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.