Home / 3,520.36-4,857.70-2,027.98

Finding the Fourth Proportional to 3,520.36, 4,857.70 and 2,027.98

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Solution

The fourth proportional to 3,520.36, 4,857.70 and 2,027.98 is: 2,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.36 : 4,857.70 = 2,027.98 : x
  2. Step 2: Convert to fraction form
    3,520.36/4,857.70 = 2,027.98/x
  3. Step 3: Cross multiply
    3,520.36x = 4,857.70 × 2,027.98
  4. Step 4: Simplify right side
    3,520.36x = 9,851,284.02
  5. Step 5: Solve for x
    x = 9,851,284.02/3,520.36
  6. Step 6: Final answer
    x = 2,798.38

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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.