Home / 2,298.14-3,171.44-1,353.97

Finding the Fourth Proportional to 2,298.14, 3,171.44 and 1,353.97

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Solution

The fourth proportional to 2,298.14, 3,171.44 and 1,353.97 is: 1,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.14 : 3,171.44 = 1,353.97 : x
  2. Step 2: Convert to fraction form
    2,298.14/3,171.44 = 1,353.97/x
  3. Step 3: Cross multiply
    2,298.14x = 3,171.44 × 1,353.97
  4. Step 4: Simplify right side
    2,298.14x = 4,294,034.62
  5. Step 5: Solve for x
    x = 4,294,034.62/2,298.14
  6. Step 6: Final answer
    x = 1,868.48

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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.