Home / 3,346.36-4,617.30-1,929.80

Finding the Fourth Proportional to 3,346.36, 4,617.30 and 1,929.80

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Solution

The fourth proportional to 3,346.36, 4,617.30 and 1,929.80 is: 2,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.36 : 4,617.30 = 1,929.80 : x
  2. Step 2: Convert to fraction form
    3,346.36/4,617.30 = 1,929.80/x
  3. Step 3: Cross multiply
    3,346.36x = 4,617.30 × 1,929.80
  4. Step 4: Simplify right side
    3,346.36x = 8,910,465.54
  5. Step 5: Solve for x
    x = 8,910,465.54/3,346.36
  6. Step 6: Final answer
    x = 2,662.73

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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.