Home / 3,520.70-4,857.53-2,028.08

Finding the Fourth Proportional to 3,520.70, 4,857.53 and 2,028.08

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Solution

The fourth proportional to 3,520.70, 4,857.53 and 2,028.08 is: 2,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.70 : 4,857.53 = 2,028.08 : x
  2. Step 2: Convert to fraction form
    3,520.70/4,857.53 = 2,028.08/x
  3. Step 3: Cross multiply
    3,520.70x = 4,857.53 × 2,028.08
  4. Step 4: Simplify right side
    3,520.70x = 9,851,459.44
  5. Step 5: Solve for x
    x = 9,851,459.44/3,520.70
  6. Step 6: Final answer
    x = 2,798.15

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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.