Home / 2,026.98-3,040.56-640.35

Finding the Fourth Proportional to 2,026.98, 3,040.56 and 640.35

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Solution

The fourth proportional to 2,026.98, 3,040.56 and 640.35 is: 960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.98 : 3,040.56 = 640.35 : x
  2. Step 2: Convert to fraction form
    2,026.98/3,040.56 = 640.35/x
  3. Step 3: Cross multiply
    2,026.98x = 3,040.56 × 640.35
  4. Step 4: Simplify right side
    2,026.98x = 1,947,022.60
  5. Step 5: Solve for x
    x = 1,947,022.60/2,026.98
  6. Step 6: Final answer
    x = 960.55

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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.