Home / 2,698.27-4,040.51-2,151.25

Finding the Fourth Proportional to 2,698.27, 4,040.51 and 2,151.25

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Solution

The fourth proportional to 2,698.27, 4,040.51 and 2,151.25 is: 3,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.27 : 4,040.51 = 2,151.25 : x
  2. Step 2: Convert to fraction form
    2,698.27/4,040.51 = 2,151.25/x
  3. Step 3: Cross multiply
    2,698.27x = 4,040.51 × 2,151.25
  4. Step 4: Simplify right side
    2,698.27x = 8,692,126.28
  5. Step 5: Solve for x
    x = 8,692,126.28/2,698.27
  6. Step 6: Final answer
    x = 3,221.37

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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.