Home / 3,671.40-5,066.82-2,100

Finding the Fourth Proportional to 3,671.40, 5,066.82 and 2,100

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Solution

The fourth proportional to 3,671.40, 5,066.82 and 2,100 is: 2,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.40 : 5,066.82 = 2,100 : x
  2. Step 2: Convert to fraction form
    3,671.40/5,066.82 = 2,100/x
  3. Step 3: Cross multiply
    3,671.40x = 5,066.82 × 2,100
  4. Step 4: Simplify right side
    3,671.40x = 10,640,322
  5. Step 5: Solve for x
    x = 10,640,322/3,671.40
  6. Step 6: Final answer
    x = 2,898.16

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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.