Home / 2,760.21-3,809-1,501.23

Finding the Fourth Proportional to 2,760.21, 3,809 and 1,501.23

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Solution

The fourth proportional to 2,760.21, 3,809 and 1,501.23 is: 2,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.21 : 3,809 = 1,501.23 : x
  2. Step 2: Convert to fraction form
    2,760.21/3,809 = 1,501.23/x
  3. Step 3: Cross multiply
    2,760.21x = 3,809 × 1,501.23
  4. Step 4: Simplify right side
    2,760.21x = 5,718,185.07
  5. Step 5: Solve for x
    x = 5,718,185.07/2,760.21
  6. Step 6: Final answer
    x = 2,071.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.