Home / 2,619.44-3,614.81-1,440.53

Finding the Fourth Proportional to 2,619.44, 3,614.81 and 1,440.53

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Solution

The fourth proportional to 2,619.44, 3,614.81 and 1,440.53 is: 1,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.44 : 3,614.81 = 1,440.53 : x
  2. Step 2: Convert to fraction form
    2,619.44/3,614.81 = 1,440.53/x
  3. Step 3: Cross multiply
    2,619.44x = 3,614.81 × 1,440.53
  4. Step 4: Simplify right side
    2,619.44x = 5,207,216.97
  5. Step 5: Solve for x
    x = 5,207,216.97/2,619.44
  6. Step 6: Final answer
    x = 1,987.92

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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.