Home / 3,505.50-5,259.19-1,165.88

Finding the Fourth Proportional to 3,505.50, 5,259.19 and 1,165.88

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Solution

The fourth proportional to 3,505.50, 5,259.19 and 1,165.88 is: 1,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.50 : 5,259.19 = 1,165.88 : x
  2. Step 2: Convert to fraction form
    3,505.50/5,259.19 = 1,165.88/x
  3. Step 3: Cross multiply
    3,505.50x = 5,259.19 × 1,165.88
  4. Step 4: Simplify right side
    3,505.50x = 6,131,584.44
  5. Step 5: Solve for x
    x = 6,131,584.44/3,505.50
  6. Step 6: Final answer
    x = 1,749.13

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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.