Home / 3,655.37-5,483.05-1,190.19

Finding the Fourth Proportional to 3,655.37, 5,483.05 and 1,190.19

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Solution

The fourth proportional to 3,655.37, 5,483.05 and 1,190.19 is: 1,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.37 : 5,483.05 = 1,190.19 : x
  2. Step 2: Convert to fraction form
    3,655.37/5,483.05 = 1,190.19/x
  3. Step 3: Cross multiply
    3,655.37x = 5,483.05 × 1,190.19
  4. Step 4: Simplify right side
    3,655.37x = 6,525,845.95
  5. Step 5: Solve for x
    x = 6,525,845.95/3,655.37
  6. Step 6: Final answer
    x = 1,785.28

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Double scale
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Similar ratio
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1.5x scale

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.