Home / 3,177.82-4,385.84-2,645.94

Finding the Fourth Proportional to 3,177.82, 4,385.84 and 2,645.94

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Solution

The fourth proportional to 3,177.82, 4,385.84 and 2,645.94 is: 3,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.82 : 4,385.84 = 2,645.94 : x
  2. Step 2: Convert to fraction form
    3,177.82/4,385.84 = 2,645.94/x
  3. Step 3: Cross multiply
    3,177.82x = 4,385.84 × 2,645.94
  4. Step 4: Simplify right side
    3,177.82x = 11,604,669.49
  5. Step 5: Solve for x
    x = 11,604,669.49/3,177.82
  6. Step 6: Final answer
    x = 3,651.77

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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.