Home / 3,073.95-4,241.11-2,128.28

Finding the Fourth Proportional to 3,073.95, 4,241.11 and 2,128.28

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Solution

The fourth proportional to 3,073.95, 4,241.11 and 2,128.28 is: 2,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.95 : 4,241.11 = 2,128.28 : x
  2. Step 2: Convert to fraction form
    3,073.95/4,241.11 = 2,128.28/x
  3. Step 3: Cross multiply
    3,073.95x = 4,241.11 × 2,128.28
  4. Step 4: Simplify right side
    3,073.95x = 9,026,247.06
  5. Step 5: Solve for x
    x = 9,026,247.06/3,073.95
  6. Step 6: Final answer
    x = 2,936.37

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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.