Home / 2,922.30-4,029.75-2,037.78

Finding the Fourth Proportional to 2,922.30, 4,029.75 and 2,037.78

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Solution

The fourth proportional to 2,922.30, 4,029.75 and 2,037.78 is: 2,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.30 : 4,029.75 = 2,037.78 : x
  2. Step 2: Convert to fraction form
    2,922.30/4,029.75 = 2,037.78/x
  3. Step 3: Cross multiply
    2,922.30x = 4,029.75 × 2,037.78
  4. Step 4: Simplify right side
    2,922.30x = 8,211,743.96
  5. Step 5: Solve for x
    x = 8,211,743.96/2,922.30
  6. Step 6: Final answer
    x = 2,810.03

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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.