Home / 3,419.40-5,125.38-2,245.68

Finding the Fourth Proportional to 3,419.40, 5,125.38 and 2,245.68

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Solution

The fourth proportional to 3,419.40, 5,125.38 and 2,245.68 is: 3,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.40 : 5,125.38 = 2,245.68 : x
  2. Step 2: Convert to fraction form
    3,419.40/5,125.38 = 2,245.68/x
  3. Step 3: Cross multiply
    3,419.40x = 5,125.38 × 2,245.68
  4. Step 4: Simplify right side
    3,419.40x = 11,509,963.36
  5. Step 5: Solve for x
    x = 11,509,963.36/3,419.40
  6. Step 6: Final answer
    x = 3,366.08

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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.