Home / 3,015.90-4,519.86-1,629.58

Finding the Fourth Proportional to 3,015.90, 4,519.86 and 1,629.58

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Solution

The fourth proportional to 3,015.90, 4,519.86 and 1,629.58 is: 2,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.90 : 4,519.86 = 1,629.58 : x
  2. Step 2: Convert to fraction form
    3,015.90/4,519.86 = 1,629.58/x
  3. Step 3: Cross multiply
    3,015.90x = 4,519.86 × 1,629.58
  4. Step 4: Simplify right side
    3,015.90x = 7,365,473.46
  5. Step 5: Solve for x
    x = 7,365,473.46/3,015.90
  6. Step 6: Final answer
    x = 2,442.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.