Home / 3,976.40-5,965.54-1,203.10

Finding the Fourth Proportional to 3,976.40, 5,965.54 and 1,203.10

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Solution

The fourth proportional to 3,976.40, 5,965.54 and 1,203.10 is: 1,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.40 : 5,965.54 = 1,203.10 : x
  2. Step 2: Convert to fraction form
    3,976.40/5,965.54 = 1,203.10/x
  3. Step 3: Cross multiply
    3,976.40x = 5,965.54 × 1,203.10
  4. Step 4: Simplify right side
    3,976.40x = 7,177,123.25
  5. Step 5: Solve for x
    x = 7,177,123.25/3,976.40
  6. Step 6: Final answer
    x = 1,804.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.