Home / 3,419.84-5,106.96-3,383.28

Finding the Fourth Proportional to 3,419.84, 5,106.96 and 3,383.28

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Solution

The fourth proportional to 3,419.84, 5,106.96 and 3,383.28 is: 5,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.84 : 5,106.96 = 3,383.28 : x
  2. Step 2: Convert to fraction form
    3,419.84/5,106.96 = 3,383.28/x
  3. Step 3: Cross multiply
    3,419.84x = 5,106.96 × 3,383.28
  4. Step 4: Simplify right side
    3,419.84x = 17,278,275.63
  5. Step 5: Solve for x
    x = 17,278,275.63/3,419.84
  6. Step 6: Final answer
    x = 5,052.36

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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.