Home / 3,204.62-4,421.61-1,945.64

Finding the Fourth Proportional to 3,204.62, 4,421.61 and 1,945.64

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Solution

The fourth proportional to 3,204.62, 4,421.61 and 1,945.64 is: 2,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.62 : 4,421.61 = 1,945.64 : x
  2. Step 2: Convert to fraction form
    3,204.62/4,421.61 = 1,945.64/x
  3. Step 3: Cross multiply
    3,204.62x = 4,421.61 × 1,945.64
  4. Step 4: Simplify right side
    3,204.62x = 8,602,839.17
  5. Step 5: Solve for x
    x = 8,602,839.17/3,204.62
  6. Step 6: Final answer
    x = 2,684.52

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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.