Home / 3,656.14-5,483.65-1,190.95

Finding the Fourth Proportional to 3,656.14, 5,483.65 and 1,190.95

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Solution

The fourth proportional to 3,656.14, 5,483.65 and 1,190.95 is: 1,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.14 : 5,483.65 = 1,190.95 : x
  2. Step 2: Convert to fraction form
    3,656.14/5,483.65 = 1,190.95/x
  3. Step 3: Cross multiply
    3,656.14x = 5,483.65 × 1,190.95
  4. Step 4: Simplify right side
    3,656.14x = 6,530,769.36
  5. Step 5: Solve for x
    x = 6,530,769.36/3,656.14
  6. Step 6: Final answer
    x = 1,786.25

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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.