Home / 2,628.91-3,627.88-1,509.97

Finding the Fourth Proportional to 2,628.91, 3,627.88 and 1,509.97

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Solution

The fourth proportional to 2,628.91, 3,627.88 and 1,509.97 is: 2,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.91 : 3,627.88 = 1,509.97 : x
  2. Step 2: Convert to fraction form
    2,628.91/3,627.88 = 1,509.97/x
  3. Step 3: Cross multiply
    2,628.91x = 3,627.88 × 1,509.97
  4. Step 4: Simplify right side
    2,628.91x = 5,477,989.96
  5. Step 5: Solve for x
    x = 5,477,989.96/2,628.91
  6. Step 6: Final answer
    x = 2,083.75

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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.