Home / 2,957.79-4,433.64-1,107.61

Finding the Fourth Proportional to 2,957.79, 4,433.64 and 1,107.61

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Solution

The fourth proportional to 2,957.79, 4,433.64 and 1,107.61 is: 1,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.79 : 4,433.64 = 1,107.61 : x
  2. Step 2: Convert to fraction form
    2,957.79/4,433.64 = 1,107.61/x
  3. Step 3: Cross multiply
    2,957.79x = 4,433.64 × 1,107.61
  4. Step 4: Simplify right side
    2,957.79x = 4,910,744.00
  5. Step 5: Solve for x
    x = 4,910,744.00/2,957.79
  6. Step 6: Final answer
    x = 1,660.27

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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.