Home / 3,426.08-5,135.56-1,668.52

Finding the Fourth Proportional to 3,426.08, 5,135.56 and 1,668.52

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Solution

The fourth proportional to 3,426.08, 5,135.56 and 1,668.52 is: 2,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.08 : 5,135.56 = 1,668.52 : x
  2. Step 2: Convert to fraction form
    3,426.08/5,135.56 = 1,668.52/x
  3. Step 3: Cross multiply
    3,426.08x = 5,135.56 × 1,668.52
  4. Step 4: Simplify right side
    3,426.08x = 8,568,784.57
  5. Step 5: Solve for x
    x = 8,568,784.57/3,426.08
  6. Step 6: Final answer
    x = 2,501.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.