Home / 3,788.73-5,688.39-1,941.12

Finding the Fourth Proportional to 3,788.73, 5,688.39 and 1,941.12

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Solution

The fourth proportional to 3,788.73, 5,688.39 and 1,941.12 is: 2,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.73 : 5,688.39 = 1,941.12 : x
  2. Step 2: Convert to fraction form
    3,788.73/5,688.39 = 1,941.12/x
  3. Step 3: Cross multiply
    3,788.73x = 5,688.39 × 1,941.12
  4. Step 4: Simplify right side
    3,788.73x = 11,041,847.60
  5. Step 5: Solve for x
    x = 11,041,847.60/3,788.73
  6. Step 6: Final answer
    x = 2,914.39

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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.