Home / 3,336.39-5,005.44-1,115.57

Finding the Fourth Proportional to 3,336.39, 5,005.44 and 1,115.57

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Solution

The fourth proportional to 3,336.39, 5,005.44 and 1,115.57 is: 1,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.39 : 5,005.44 = 1,115.57 : x
  2. Step 2: Convert to fraction form
    3,336.39/5,005.44 = 1,115.57/x
  3. Step 3: Cross multiply
    3,336.39x = 5,005.44 × 1,115.57
  4. Step 4: Simplify right side
    3,336.39x = 5,583,931.21
  5. Step 5: Solve for x
    x = 5,583,931.21/3,336.39
  6. Step 6: Final answer
    x = 1,673.64

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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.