Home / 3,777.80-5,214.18-2,206.52

Finding the Fourth Proportional to 3,777.80, 5,214.18 and 2,206.52

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Solution

The fourth proportional to 3,777.80, 5,214.18 and 2,206.52 is: 3,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.80 : 5,214.18 = 2,206.52 : x
  2. Step 2: Convert to fraction form
    3,777.80/5,214.18 = 2,206.52/x
  3. Step 3: Cross multiply
    3,777.80x = 5,214.18 × 2,206.52
  4. Step 4: Simplify right side
    3,777.80x = 11,505,192.45
  5. Step 5: Solve for x
    x = 11,505,192.45/3,777.80
  6. Step 6: Final answer
    x = 3,045.47

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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.