Home / 3,346.41-4,618.38-1,930.15

Finding the Fourth Proportional to 3,346.41, 4,618.38 and 1,930.15

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Solution

The fourth proportional to 3,346.41, 4,618.38 and 1,930.15 is: 2,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.41 : 4,618.38 = 1,930.15 : x
  2. Step 2: Convert to fraction form
    3,346.41/4,618.38 = 1,930.15/x
  3. Step 3: Cross multiply
    3,346.41x = 4,618.38 × 1,930.15
  4. Step 4: Simplify right side
    3,346.41x = 8,914,166.16
  5. Step 5: Solve for x
    x = 8,914,166.16/3,346.41
  6. Step 6: Final answer
    x = 2,663.80

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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.