Home / 2,027.08-3,040.96-640.77

Finding the Fourth Proportional to 2,027.08, 3,040.96 and 640.77

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Solution

The fourth proportional to 2,027.08, 3,040.96 and 640.77 is: 961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.08 : 3,040.96 = 640.77 : x
  2. Step 2: Convert to fraction form
    2,027.08/3,040.96 = 640.77/x
  3. Step 3: Cross multiply
    2,027.08x = 3,040.96 × 640.77
  4. Step 4: Simplify right side
    2,027.08x = 1,948,555.94
  5. Step 5: Solve for x
    x = 1,948,555.94/2,027.08
  6. Step 6: Final answer
    x = 961.26

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1.5x scale

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.