Home / 3,675.36-5,505.36-3,156.96

Finding the Fourth Proportional to 3,675.36, 5,505.36 and 3,156.96

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Solution

The fourth proportional to 3,675.36, 5,505.36 and 3,156.96 is: 4,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.36 : 5,505.36 = 3,156.96 : x
  2. Step 2: Convert to fraction form
    3,675.36/5,505.36 = 3,156.96/x
  3. Step 3: Cross multiply
    3,675.36x = 5,505.36 × 3,156.96
  4. Step 4: Simplify right side
    3,675.36x = 17,380,201.31
  5. Step 5: Solve for x
    x = 17,380,201.31/3,675.36
  6. Step 6: Final answer
    x = 4,728.84

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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.