Home / 3,046.34-4,199.64-2,161.82

Finding the Fourth Proportional to 3,046.34, 4,199.64 and 2,161.82

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Solution

The fourth proportional to 3,046.34, 4,199.64 and 2,161.82 is: 2,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.34 : 4,199.64 = 2,161.82 : x
  2. Step 2: Convert to fraction form
    3,046.34/4,199.64 = 2,161.82/x
  3. Step 3: Cross multiply
    3,046.34x = 4,199.64 × 2,161.82
  4. Step 4: Simplify right side
    3,046.34x = 9,078,865.74
  5. Step 5: Solve for x
    x = 9,078,865.74/3,046.34
  6. Step 6: Final answer
    x = 2,980.25

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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.