Home / 2,792.88-4,182.84-1,927.80

Finding the Fourth Proportional to 2,792.88, 4,182.84 and 1,927.80

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Solution

The fourth proportional to 2,792.88, 4,182.84 and 1,927.80 is: 2,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 4,182.84 = 1,927.80 : x
  2. Step 2: Convert to fraction form
    2,792.88/4,182.84 = 1,927.80/x
  3. Step 3: Cross multiply
    2,792.88x = 4,182.84 × 1,927.80
  4. Step 4: Simplify right side
    2,792.88x = 8,063,678.95
  5. Step 5: Solve for x
    x = 8,063,678.95/2,792.88
  6. Step 6: Final answer
    x = 2,887.23

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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.