Home / 3,628.44-5,010.06-2,787.81

Finding the Fourth Proportional to 3,628.44, 5,010.06 and 2,787.81

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Solution

The fourth proportional to 3,628.44, 5,010.06 and 2,787.81 is: 3,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.44 : 5,010.06 = 2,787.81 : x
  2. Step 2: Convert to fraction form
    3,628.44/5,010.06 = 2,787.81/x
  3. Step 3: Cross multiply
    3,628.44x = 5,010.06 × 2,787.81
  4. Step 4: Simplify right side
    3,628.44x = 13,967,095.37
  5. Step 5: Solve for x
    x = 13,967,095.37/3,628.44
  6. Step 6: Final answer
    x = 3,849.34

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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.