Home / 3,346.20-4,616.30-2,019.15

Finding the Fourth Proportional to 3,346.20, 4,616.30 and 2,019.15

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Solution

The fourth proportional to 3,346.20, 4,616.30 and 2,019.15 is: 2,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.20 : 4,616.30 = 2,019.15 : x
  2. Step 2: Convert to fraction form
    3,346.20/4,616.30 = 2,019.15/x
  3. Step 3: Cross multiply
    3,346.20x = 4,616.30 × 2,019.15
  4. Step 4: Simplify right side
    3,346.20x = 9,321,007.19
  5. Step 5: Solve for x
    x = 9,321,007.19/3,346.20
  6. Step 6: Final answer
    x = 2,785.55

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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.