Home / 3,336.66-5,005.26-1,145.39

Finding the Fourth Proportional to 3,336.66, 5,005.26 and 1,145.39

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Solution

The fourth proportional to 3,336.66, 5,005.26 and 1,145.39 is: 1,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.66 : 5,005.26 = 1,145.39 : x
  2. Step 2: Convert to fraction form
    3,336.66/5,005.26 = 1,145.39/x
  3. Step 3: Cross multiply
    3,336.66x = 5,005.26 × 1,145.39
  4. Step 4: Simplify right side
    3,336.66x = 5,732,949.73
  5. Step 5: Solve for x
    x = 5,732,949.73/3,336.66
  6. Step 6: Final answer
    x = 1,718.17

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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.