Home / 3,735.80-5,603.70-3,159.80

Finding the Fourth Proportional to 3,735.80, 5,603.70 and 3,159.80

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Solution

The fourth proportional to 3,735.80, 5,603.70 and 3,159.80 is: 4,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.80 : 5,603.70 = 3,159.80 : x
  2. Step 2: Convert to fraction form
    3,735.80/5,603.70 = 3,159.80/x
  3. Step 3: Cross multiply
    3,735.80x = 5,603.70 × 3,159.80
  4. Step 4: Simplify right side
    3,735.80x = 17,706,571.26
  5. Step 5: Solve for x
    x = 17,706,571.26/3,735.80
  6. Step 6: Final answer
    x = 4,739.70

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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.