Home / 2,976.72-4,107.82-1,650.24

Finding the Fourth Proportional to 2,976.72, 4,107.82 and 1,650.24

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Solution

The fourth proportional to 2,976.72, 4,107.82 and 1,650.24 is: 2,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.72 : 4,107.82 = 1,650.24 : x
  2. Step 2: Convert to fraction form
    2,976.72/4,107.82 = 1,650.24/x
  3. Step 3: Cross multiply
    2,976.72x = 4,107.82 × 1,650.24
  4. Step 4: Simplify right side
    2,976.72x = 6,778,888.88
  5. Step 5: Solve for x
    x = 6,778,888.88/2,976.72
  6. Step 6: Final answer
    x = 2,277.30

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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.