Home / 3,071.21-4,605.50-1,170.28

Finding the Fourth Proportional to 3,071.21, 4,605.50 and 1,170.28

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Solution

The fourth proportional to 3,071.21, 4,605.50 and 1,170.28 is: 1,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.21 : 4,605.50 = 1,170.28 : x
  2. Step 2: Convert to fraction form
    3,071.21/4,605.50 = 1,170.28/x
  3. Step 3: Cross multiply
    3,071.21x = 4,605.50 × 1,170.28
  4. Step 4: Simplify right side
    3,071.21x = 5,389,724.54
  5. Step 5: Solve for x
    x = 5,389,724.54/3,071.21
  6. Step 6: Final answer
    x = 1,754.92

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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.