Home / 3,388.59-5,040.29-3,109.75

Finding the Fourth Proportional to 3,388.59, 5,040.29 and 3,109.75

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Solution

The fourth proportional to 3,388.59, 5,040.29 and 3,109.75 is: 4,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.59 : 5,040.29 = 3,109.75 : x
  2. Step 2: Convert to fraction form
    3,388.59/5,040.29 = 3,109.75/x
  3. Step 3: Cross multiply
    3,388.59x = 5,040.29 × 3,109.75
  4. Step 4: Simplify right side
    3,388.59x = 15,674,037.00
  5. Step 5: Solve for x
    x = 15,674,037.00/3,388.59
  6. Step 6: Final answer
    x = 4,625.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.