Home / 3,436.84-5,146.03-1,789.92

Finding the Fourth Proportional to 3,436.84, 5,146.03 and 1,789.92

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Solution

The fourth proportional to 3,436.84, 5,146.03 and 1,789.92 is: 2,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.84 : 5,146.03 = 1,789.92 : x
  2. Step 2: Convert to fraction form
    3,436.84/5,146.03 = 1,789.92/x
  3. Step 3: Cross multiply
    3,436.84x = 5,146.03 × 1,789.92
  4. Step 4: Simplify right side
    3,436.84x = 9,210,993.06
  5. Step 5: Solve for x
    x = 9,210,993.06/3,436.84
  6. Step 6: Final answer
    x = 2,680.08

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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.