Home / 2,810.92-4,213.80-1,767.75

Finding the Fourth Proportional to 2,810.92, 4,213.80 and 1,767.75

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Solution

The fourth proportional to 2,810.92, 4,213.80 and 1,767.75 is: 2,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.92 : 4,213.80 = 1,767.75 : x
  2. Step 2: Convert to fraction form
    2,810.92/4,213.80 = 1,767.75/x
  3. Step 3: Cross multiply
    2,810.92x = 4,213.80 × 1,767.75
  4. Step 4: Simplify right side
    2,810.92x = 7,448,944.95
  5. Step 5: Solve for x
    x = 7,448,944.95/2,810.92
  6. Step 6: Final answer
    x = 2,650.00

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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.