Home / 3,336.85-4,969.96-3,161.18

Finding the Fourth Proportional to 3,336.85, 4,969.96 and 3,161.18

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Solution

The fourth proportional to 3,336.85, 4,969.96 and 3,161.18 is: 4,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.85 : 4,969.96 = 3,161.18 : x
  2. Step 2: Convert to fraction form
    3,336.85/4,969.96 = 3,161.18/x
  3. Step 3: Cross multiply
    3,336.85x = 4,969.96 × 3,161.18
  4. Step 4: Simplify right side
    3,336.85x = 15,710,914.72
  5. Step 5: Solve for x
    x = 15,710,914.72/3,336.85
  6. Step 6: Final answer
    x = 4,708.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.