Home / 3,184.60-4,394.64-2,191

Finding the Fourth Proportional to 3,184.60, 4,394.64 and 2,191

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Solution

The fourth proportional to 3,184.60, 4,394.64 and 2,191 is: 3,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.60 : 4,394.64 = 2,191 : x
  2. Step 2: Convert to fraction form
    3,184.60/4,394.64 = 2,191/x
  3. Step 3: Cross multiply
    3,184.60x = 4,394.64 × 2,191
  4. Step 4: Simplify right side
    3,184.60x = 9,628,656.24
  5. Step 5: Solve for x
    x = 9,628,656.24/3,184.60
  6. Step 6: Final answer
    x = 3,023.51

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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.