Home / 3,336.45-5,005.13-1,145.79

Finding the Fourth Proportional to 3,336.45, 5,005.13 and 1,145.79

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Solution

The fourth proportional to 3,336.45, 5,005.13 and 1,145.79 is: 1,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.45 : 5,005.13 = 1,145.79 : x
  2. Step 2: Convert to fraction form
    3,336.45/5,005.13 = 1,145.79/x
  3. Step 3: Cross multiply
    3,336.45x = 5,005.13 × 1,145.79
  4. Step 4: Simplify right side
    3,336.45x = 5,734,827.90
  5. Step 5: Solve for x
    x = 5,734,827.90/3,336.45
  6. Step 6: Final answer
    x = 1,718.84

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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.