Home / 2,764.82-4,140.85-1,666.77

Finding the Fourth Proportional to 2,764.82, 4,140.85 and 1,666.77

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Solution

The fourth proportional to 2,764.82, 4,140.85 and 1,666.77 is: 2,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.82 : 4,140.85 = 1,666.77 : x
  2. Step 2: Convert to fraction form
    2,764.82/4,140.85 = 1,666.77/x
  3. Step 3: Cross multiply
    2,764.82x = 4,140.85 × 1,666.77
  4. Step 4: Simplify right side
    2,764.82x = 6,901,844.55
  5. Step 5: Solve for x
    x = 6,901,844.55/2,764.82
  6. Step 6: Final answer
    x = 2,496.31

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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.