Home / 3,371.08-4,652.82-2,128.84

Finding the Fourth Proportional to 3,371.08, 4,652.82 and 2,128.84

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Solution

The fourth proportional to 3,371.08, 4,652.82 and 2,128.84 is: 2,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.08 : 4,652.82 = 2,128.84 : x
  2. Step 2: Convert to fraction form
    3,371.08/4,652.82 = 2,128.84/x
  3. Step 3: Cross multiply
    3,371.08x = 4,652.82 × 2,128.84
  4. Step 4: Simplify right side
    3,371.08x = 9,905,109.33
  5. Step 5: Solve for x
    x = 9,905,109.33/3,371.08
  6. Step 6: Final answer
    x = 2,938.26

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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.