Home / 3,308.40-4,561.56-2,914.80

Finding the Fourth Proportional to 3,308.40, 4,561.56 and 2,914.80

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Solution

The fourth proportional to 3,308.40, 4,561.56 and 2,914.80 is: 4,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.40 : 4,561.56 = 2,914.80 : x
  2. Step 2: Convert to fraction form
    3,308.40/4,561.56 = 2,914.80/x
  3. Step 3: Cross multiply
    3,308.40x = 4,561.56 × 2,914.80
  4. Step 4: Simplify right side
    3,308.40x = 13,296,035.09
  5. Step 5: Solve for x
    x = 13,296,035.09/3,308.40
  6. Step 6: Final answer
    x = 4,018.87

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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.