Home / 2,976.29-4,107.33-1,650.05

Finding the Fourth Proportional to 2,976.29, 4,107.33 and 1,650.05

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Solution

The fourth proportional to 2,976.29, 4,107.33 and 1,650.05 is: 2,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.29 : 4,107.33 = 1,650.05 : x
  2. Step 2: Convert to fraction form
    2,976.29/4,107.33 = 1,650.05/x
  3. Step 3: Cross multiply
    2,976.29x = 4,107.33 × 1,650.05
  4. Step 4: Simplify right side
    2,976.29x = 6,777,299.87
  5. Step 5: Solve for x
    x = 6,777,299.87/2,976.29
  6. Step 6: Final answer
    x = 2,277.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.