Home / 2,619.44-3,614.82-1,440.58

Finding the Fourth Proportional to 2,619.44, 3,614.82 and 1,440.58

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Solution

The fourth proportional to 2,619.44, 3,614.82 and 1,440.58 is: 1,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.44 : 3,614.82 = 1,440.58 : x
  2. Step 2: Convert to fraction form
    2,619.44/3,614.82 = 1,440.58/x
  3. Step 3: Cross multiply
    2,619.44x = 3,614.82 × 1,440.58
  4. Step 4: Simplify right side
    2,619.44x = 5,207,437.40
  5. Step 5: Solve for x
    x = 5,207,437.40/2,619.44
  6. Step 6: Final answer
    x = 1,988.00

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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.