Home / 3,239.33-4,459.46-3,090.56

Finding the Fourth Proportional to 3,239.33, 4,459.46 and 3,090.56

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Solution

The fourth proportional to 3,239.33, 4,459.46 and 3,090.56 is: 4,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.33 : 4,459.46 = 3,090.56 : x
  2. Step 2: Convert to fraction form
    3,239.33/4,459.46 = 3,090.56/x
  3. Step 3: Cross multiply
    3,239.33x = 4,459.46 × 3,090.56
  4. Step 4: Simplify right side
    3,239.33x = 13,782,190.95
  5. Step 5: Solve for x
    x = 13,782,190.95/3,239.33
  6. Step 6: Final answer
    x = 4,254.65

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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.