Home / 2,973.40-4,100.62-2,383.80

Finding the Fourth Proportional to 2,973.40, 4,100.62 and 2,383.80

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Solution

The fourth proportional to 2,973.40, 4,100.62 and 2,383.80 is: 3,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.40 : 4,100.62 = 2,383.80 : x
  2. Step 2: Convert to fraction form
    2,973.40/4,100.62 = 2,383.80/x
  3. Step 3: Cross multiply
    2,973.40x = 4,100.62 × 2,383.80
  4. Step 4: Simplify right side
    2,973.40x = 9,775,057.96
  5. Step 5: Solve for x
    x = 9,775,057.96/2,973.40
  6. Step 6: Final answer
    x = 3,287.50

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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.