Home / 3,766.74-5,651.38-1,688.18

Finding the Fourth Proportional to 3,766.74, 5,651.38 and 1,688.18

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Solution

The fourth proportional to 3,766.74, 5,651.38 and 1,688.18 is: 2,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.74 : 5,651.38 = 1,688.18 : x
  2. Step 2: Convert to fraction form
    3,766.74/5,651.38 = 1,688.18/x
  3. Step 3: Cross multiply
    3,766.74x = 5,651.38 × 1,688.18
  4. Step 4: Simplify right side
    3,766.74x = 9,540,546.69
  5. Step 5: Solve for x
    x = 9,540,546.69/3,766.74
  6. Step 6: Final answer
    x = 2,532.84

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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.