Home / 2,698.36-4,047.28-849.26

Finding the Fourth Proportional to 2,698.36, 4,047.28 and 849.26

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Solution

The fourth proportional to 2,698.36, 4,047.28 and 849.26 is: 1,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.36 : 4,047.28 = 849.26 : x
  2. Step 2: Convert to fraction form
    2,698.36/4,047.28 = 849.26/x
  3. Step 3: Cross multiply
    2,698.36x = 4,047.28 × 849.26
  4. Step 4: Simplify right side
    2,698.36x = 3,437,193.01
  5. Step 5: Solve for x
    x = 3,437,193.01/2,698.36
  6. Step 6: Final answer
    x = 1,273.81

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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.