Home / 2,776.12-3,828.52-1,843

Finding the Fourth Proportional to 2,776.12, 3,828.52 and 1,843

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Solution

The fourth proportional to 2,776.12, 3,828.52 and 1,843 is: 2,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.12 : 3,828.52 = 1,843 : x
  2. Step 2: Convert to fraction form
    2,776.12/3,828.52 = 1,843/x
  3. Step 3: Cross multiply
    2,776.12x = 3,828.52 × 1,843
  4. Step 4: Simplify right side
    2,776.12x = 7,055,962.36
  5. Step 5: Solve for x
    x = 7,055,962.36/2,776.12
  6. Step 6: Final answer
    x = 2,541.66

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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.