Home / 3,520.06-4,857.80-2,027.86

Finding the Fourth Proportional to 3,520.06, 4,857.80 and 2,027.86

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Solution

The fourth proportional to 3,520.06, 4,857.80 and 2,027.86 is: 2,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.06 : 4,857.80 = 2,027.86 : x
  2. Step 2: Convert to fraction form
    3,520.06/4,857.80 = 2,027.86/x
  3. Step 3: Cross multiply
    3,520.06x = 4,857.80 × 2,027.86
  4. Step 4: Simplify right side
    3,520.06x = 9,850,938.31
  5. Step 5: Solve for x
    x = 9,850,938.31/3,520.06
  6. Step 6: Final answer
    x = 2,798.51

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1.5x scale

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.