Home / 2,795.04-3,857.76-1,863

Finding the Fourth Proportional to 2,795.04, 3,857.76 and 1,863

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Solution

The fourth proportional to 2,795.04, 3,857.76 and 1,863 is: 2,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.04 : 3,857.76 = 1,863 : x
  2. Step 2: Convert to fraction form
    2,795.04/3,857.76 = 1,863/x
  3. Step 3: Cross multiply
    2,795.04x = 3,857.76 × 1,863
  4. Step 4: Simplify right side
    2,795.04x = 7,187,006.88
  5. Step 5: Solve for x
    x = 7,187,006.88/2,795.04
  6. Step 6: Final answer
    x = 2,571.34

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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.