Home / 3,628.17-5,440.41-1,776.51

Finding the Fourth Proportional to 3,628.17, 5,440.41 and 1,776.51

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Solution

The fourth proportional to 3,628.17, 5,440.41 and 1,776.51 is: 2,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.17 : 5,440.41 = 1,776.51 : x
  2. Step 2: Convert to fraction form
    3,628.17/5,440.41 = 1,776.51/x
  3. Step 3: Cross multiply
    3,628.17x = 5,440.41 × 1,776.51
  4. Step 4: Simplify right side
    3,628.17x = 9,664,942.77
  5. Step 5: Solve for x
    x = 9,664,942.77/3,628.17
  6. Step 6: Final answer
    x = 2,663.86

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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.