Home / 2,776.56-4,165.44-1,294.71

Finding the Fourth Proportional to 2,776.56, 4,165.44 and 1,294.71

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Solution

The fourth proportional to 2,776.56, 4,165.44 and 1,294.71 is: 1,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.56 : 4,165.44 = 1,294.71 : x
  2. Step 2: Convert to fraction form
    2,776.56/4,165.44 = 1,294.71/x
  3. Step 3: Cross multiply
    2,776.56x = 4,165.44 × 1,294.71
  4. Step 4: Simplify right side
    2,776.56x = 5,393,036.82
  5. Step 5: Solve for x
    x = 5,393,036.82/2,776.56
  6. Step 6: Final answer
    x = 1,942.34

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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.