Home / 3,098.60-4,273.67-2,154.37

Finding the Fourth Proportional to 3,098.60, 4,273.67 and 2,154.37

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Solution

The fourth proportional to 3,098.60, 4,273.67 and 2,154.37 is: 2,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.60 : 4,273.67 = 2,154.37 : x
  2. Step 2: Convert to fraction form
    3,098.60/4,273.67 = 2,154.37/x
  3. Step 3: Cross multiply
    3,098.60x = 4,273.67 × 2,154.37
  4. Step 4: Simplify right side
    3,098.60x = 9,207,066.44
  5. Step 5: Solve for x
    x = 9,207,066.44/3,098.60
  6. Step 6: Final answer
    x = 2,971.36

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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.