Home / 2,316.82-3,197.90-2,005.43

Finding the Fourth Proportional to 2,316.82, 3,197.90 and 2,005.43

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Solution

The fourth proportional to 2,316.82, 3,197.90 and 2,005.43 is: 2,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.82 : 3,197.90 = 2,005.43 : x
  2. Step 2: Convert to fraction form
    2,316.82/3,197.90 = 2,005.43/x
  3. Step 3: Cross multiply
    2,316.82x = 3,197.90 × 2,005.43
  4. Step 4: Simplify right side
    2,316.82x = 6,413,153.62
  5. Step 5: Solve for x
    x = 6,413,153.62/2,316.82
  6. Step 6: Final answer
    x = 2,768.09

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1.5x scale

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.