Home / 3,428.88-5,140.44-2,330.16

Finding the Fourth Proportional to 3,428.88, 5,140.44 and 2,330.16

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Solution

The fourth proportional to 3,428.88, 5,140.44 and 2,330.16 is: 3,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.88 : 5,140.44 = 2,330.16 : x
  2. Step 2: Convert to fraction form
    3,428.88/5,140.44 = 2,330.16/x
  3. Step 3: Cross multiply
    3,428.88x = 5,140.44 × 2,330.16
  4. Step 4: Simplify right side
    3,428.88x = 11,978,047.67
  5. Step 5: Solve for x
    x = 11,978,047.67/3,428.88
  6. Step 6: Final answer
    x = 3,493.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.