Home / 3,367.68-4,645.20-2,659.30

Finding the Fourth Proportional to 3,367.68, 4,645.20 and 2,659.30

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Solution

The fourth proportional to 3,367.68, 4,645.20 and 2,659.30 is: 3,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.68 : 4,645.20 = 2,659.30 : x
  2. Step 2: Convert to fraction form
    3,367.68/4,645.20 = 2,659.30/x
  3. Step 3: Cross multiply
    3,367.68x = 4,645.20 × 2,659.30
  4. Step 4: Simplify right side
    3,367.68x = 12,352,980.36
  5. Step 5: Solve for x
    x = 12,352,980.36/3,367.68
  6. Step 6: Final answer
    x = 3,668.10

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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.