Home / 3,383.78-4,670.15-2,057.90

Finding the Fourth Proportional to 3,383.78, 4,670.15 and 2,057.90

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Solution

The fourth proportional to 3,383.78, 4,670.15 and 2,057.90 is: 2,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.78 : 4,670.15 = 2,057.90 : x
  2. Step 2: Convert to fraction form
    3,383.78/4,670.15 = 2,057.90/x
  3. Step 3: Cross multiply
    3,383.78x = 4,670.15 × 2,057.90
  4. Step 4: Simplify right side
    3,383.78x = 9,610,668.04
  5. Step 5: Solve for x
    x = 9,610,668.04/3,383.78
  6. Step 6: Final answer
    x = 2,840.22

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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.