Home / 3,185.01-4,773.20-1,538.28

Finding the Fourth Proportional to 3,185.01, 4,773.20 and 1,538.28

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Solution

The fourth proportional to 3,185.01, 4,773.20 and 1,538.28 is: 2,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.01 : 4,773.20 = 1,538.28 : x
  2. Step 2: Convert to fraction form
    3,185.01/4,773.20 = 1,538.28/x
  3. Step 3: Cross multiply
    3,185.01x = 4,773.20 × 1,538.28
  4. Step 4: Simplify right side
    3,185.01x = 7,342,510.40
  5. Step 5: Solve for x
    x = 7,342,510.40/3,185.01
  6. Step 6: Final answer
    x = 2,305.33

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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.