Home / 2,027.43-3,041.45-640.31

Finding the Fourth Proportional to 2,027.43, 3,041.45 and 640.31

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Solution

The fourth proportional to 2,027.43, 3,041.45 and 640.31 is: 960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.43 : 3,041.45 = 640.31 : x
  2. Step 2: Convert to fraction form
    2,027.43/3,041.45 = 640.31/x
  3. Step 3: Cross multiply
    2,027.43x = 3,041.45 × 640.31
  4. Step 4: Simplify right side
    2,027.43x = 1,947,454.84
  5. Step 5: Solve for x
    x = 1,947,454.84/2,027.43
  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.