Home / 2,671.88-4,026.06-2,195.60

Finding the Fourth Proportional to 2,671.88, 4,026.06 and 2,195.60

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Solution

The fourth proportional to 2,671.88, 4,026.06 and 2,195.60 is: 3,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.88 : 4,026.06 = 2,195.60 : x
  2. Step 2: Convert to fraction form
    2,671.88/4,026.06 = 2,195.60/x
  3. Step 3: Cross multiply
    2,671.88x = 4,026.06 × 2,195.60
  4. Step 4: Simplify right side
    2,671.88x = 8,839,631.52
  5. Step 5: Solve for x
    x = 8,839,631.52/2,671.88
  6. Step 6: Final answer
    x = 3,308.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.