Home / 3,789.05-5,688.88-1,941.49

Finding the Fourth Proportional to 3,789.05, 5,688.88 and 1,941.49

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Solution

The fourth proportional to 3,789.05, 5,688.88 and 1,941.49 is: 2,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.05 : 5,688.88 = 1,941.49 : x
  2. Step 2: Convert to fraction form
    3,789.05/5,688.88 = 1,941.49/x
  3. Step 3: Cross multiply
    3,789.05x = 5,688.88 × 1,941.49
  4. Step 4: Simplify right side
    3,789.05x = 11,044,884.81
  5. Step 5: Solve for x
    x = 11,044,884.81/3,789.05
  6. Step 6: Final answer
    x = 2,914.95

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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.