Home / 2,653.17-3,669.33-2,321.03

Finding the Fourth Proportional to 2,653.17, 3,669.33 and 2,321.03

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Solution

The fourth proportional to 2,653.17, 3,669.33 and 2,321.03 is: 3,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.17 : 3,669.33 = 2,321.03 : x
  2. Step 2: Convert to fraction form
    2,653.17/3,669.33 = 2,321.03/x
  3. Step 3: Cross multiply
    2,653.17x = 3,669.33 × 2,321.03
  4. Step 4: Simplify right side
    2,653.17x = 8,516,606.66
  5. Step 5: Solve for x
    x = 8,516,606.66/2,653.17
  6. Step 6: Final answer
    x = 3,209.97

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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.