Home / 3,359.20-4,636.74-2,015.79

Finding the Fourth Proportional to 3,359.20, 4,636.74 and 2,015.79

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Solution

The fourth proportional to 3,359.20, 4,636.74 and 2,015.79 is: 2,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.20 : 4,636.74 = 2,015.79 : x
  2. Step 2: Convert to fraction form
    3,359.20/4,636.74 = 2,015.79/x
  3. Step 3: Cross multiply
    3,359.20x = 4,636.74 × 2,015.79
  4. Step 4: Simplify right side
    3,359.20x = 9,346,684.30
  5. Step 5: Solve for x
    x = 9,346,684.30/3,359.20
  6. Step 6: Final answer
    x = 2,782.42

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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.