Home / 2,262.69-3,119.99-2,171.97

Finding the Fourth Proportional to 2,262.69, 3,119.99 and 2,171.97

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Solution

The fourth proportional to 2,262.69, 3,119.99 and 2,171.97 is: 2,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.69 : 3,119.99 = 2,171.97 : x
  2. Step 2: Convert to fraction form
    2,262.69/3,119.99 = 2,171.97/x
  3. Step 3: Cross multiply
    2,262.69x = 3,119.99 × 2,171.97
  4. Step 4: Simplify right side
    2,262.69x = 6,776,513.82
  5. Step 5: Solve for x
    x = 6,776,513.82/2,262.69
  6. Step 6: Final answer
    x = 2,994.89

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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.