Home / 3,520.31-4,858.01-2,028.50

Finding the Fourth Proportional to 3,520.31, 4,858.01 and 2,028.50

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Solution

The fourth proportional to 3,520.31, 4,858.01 and 2,028.50 is: 2,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.31 : 4,858.01 = 2,028.50 : x
  2. Step 2: Convert to fraction form
    3,520.31/4,858.01 = 2,028.50/x
  3. Step 3: Cross multiply
    3,520.31x = 4,858.01 × 2,028.50
  4. Step 4: Simplify right side
    3,520.31x = 9,854,448.99
  5. Step 5: Solve for x
    x = 9,854,448.99/3,520.31
  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.