Home / 3,387.36-4,668.72-2,338.08

Finding the Fourth Proportional to 3,387.36, 4,668.72 and 2,338.08

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Solution

The fourth proportional to 3,387.36, 4,668.72 and 2,338.08 is: 3,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.36 : 4,668.72 = 2,338.08 : x
  2. Step 2: Convert to fraction form
    3,387.36/4,668.72 = 2,338.08/x
  3. Step 3: Cross multiply
    3,387.36x = 4,668.72 × 2,338.08
  4. Step 4: Simplify right side
    3,387.36x = 10,915,840.86
  5. Step 5: Solve for x
    x = 10,915,840.86/3,387.36
  6. Step 6: Final answer
    x = 3,222.52

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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.