Home / 3,669.98-5,505.48-1,205.06

Finding the Fourth Proportional to 3,669.98, 5,505.48 and 1,205.06

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Solution

The fourth proportional to 3,669.98, 5,505.48 and 1,205.06 is: 1,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.98 : 5,505.48 = 1,205.06 : x
  2. Step 2: Convert to fraction form
    3,669.98/5,505.48 = 1,205.06/x
  3. Step 3: Cross multiply
    3,669.98x = 5,505.48 × 1,205.06
  4. Step 4: Simplify right side
    3,669.98x = 6,634,406.20
  5. Step 5: Solve for x
    x = 6,634,406.20/3,669.98
  6. Step 6: Final answer
    x = 1,807.75

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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.