Home / 2,426.60-3,639.11-945.73

Finding the Fourth Proportional to 2,426.60, 3,639.11 and 945.73

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Solution

The fourth proportional to 2,426.60, 3,639.11 and 945.73 is: 1,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.60 : 3,639.11 = 945.73 : x
  2. Step 2: Convert to fraction form
    2,426.60/3,639.11 = 945.73/x
  3. Step 3: Cross multiply
    2,426.60x = 3,639.11 × 945.73
  4. Step 4: Simplify right side
    2,426.60x = 3,441,604.16
  5. Step 5: Solve for x
    x = 3,441,604.16/2,426.60
  6. Step 6: Final answer
    x = 1,418.28

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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.