Home / 3,166.20-4,368.96-1,768.80

Finding the Fourth Proportional to 3,166.20, 4,368.96 and 1,768.80

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Solution

The fourth proportional to 3,166.20, 4,368.96 and 1,768.80 is: 2,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.20 : 4,368.96 = 1,768.80 : x
  2. Step 2: Convert to fraction form
    3,166.20/4,368.96 = 1,768.80/x
  3. Step 3: Cross multiply
    3,166.20x = 4,368.96 × 1,768.80
  4. Step 4: Simplify right side
    3,166.20x = 7,727,816.45
  5. Step 5: Solve for x
    x = 7,727,816.45/3,166.20
  6. Step 6: Final answer
    x = 2,440.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.