Home / 3,485.84-5,229.40-1,145.97

Finding the Fourth Proportional to 3,485.84, 5,229.40 and 1,145.97

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Solution

The fourth proportional to 3,485.84, 5,229.40 and 1,145.97 is: 1,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.84 : 5,229.40 = 1,145.97 : x
  2. Step 2: Convert to fraction form
    3,485.84/5,229.40 = 1,145.97/x
  3. Step 3: Cross multiply
    3,485.84x = 5,229.40 × 1,145.97
  4. Step 4: Simplify right side
    3,485.84x = 5,992,756.56
  5. Step 5: Solve for x
    x = 5,992,756.56/3,485.84
  6. Step 6: Final answer
    x = 1,719.17

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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.