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Finding the Fourth Proportional to 3,336.69, 5,005.08 and 3,133.74

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Solution

The fourth proportional to 3,336.69, 5,005.08 and 3,133.74 is: 4,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.69 : 5,005.08 = 3,133.74 : x
  2. Step 2: Convert to fraction form
    3,336.69/5,005.08 = 3,133.74/x
  3. Step 3: Cross multiply
    3,336.69x = 5,005.08 × 3,133.74
  4. Step 4: Simplify right side
    3,336.69x = 15,684,619.40
  5. Step 5: Solve for x
    x = 15,684,619.40/3,336.69
  6. Step 6: Final answer
    x = 4,700.65

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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.