Home / 3,167.69-4,362.59-2,921.45

Finding the Fourth Proportional to 3,167.69, 4,362.59 and 2,921.45

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Solution

The fourth proportional to 3,167.69, 4,362.59 and 2,921.45 is: 4,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.69 : 4,362.59 = 2,921.45 : x
  2. Step 2: Convert to fraction form
    3,167.69/4,362.59 = 2,921.45/x
  3. Step 3: Cross multiply
    3,167.69x = 4,362.59 × 2,921.45
  4. Step 4: Simplify right side
    3,167.69x = 12,745,074.05
  5. Step 5: Solve for x
    x = 12,745,074.05/3,167.69
  6. Step 6: Final answer
    x = 4,023.47

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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.