Home / 3,520.69-4,858.48-2,028.52

Finding the Fourth Proportional to 3,520.69, 4,858.48 and 2,028.52

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Solution

The fourth proportional to 3,520.69, 4,858.48 and 2,028.52 is: 2,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.69 : 4,858.48 = 2,028.52 : x
  2. Step 2: Convert to fraction form
    3,520.69/4,858.48 = 2,028.52/x
  3. Step 3: Cross multiply
    3,520.69x = 4,858.48 × 2,028.52
  4. Step 4: Simplify right side
    3,520.69x = 9,855,518.79
  5. Step 5: Solve for x
    x = 9,855,518.79/3,520.69
  6. Step 6: Final answer
    x = 2,799.31

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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.