Home / 2,502.20-3,453.14-1,661.46

Finding the Fourth Proportional to 2,502.20, 3,453.14 and 1,661.46

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Solution

The fourth proportional to 2,502.20, 3,453.14 and 1,661.46 is: 2,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.20 : 3,453.14 = 1,661.46 : x
  2. Step 2: Convert to fraction form
    2,502.20/3,453.14 = 1,661.46/x
  3. Step 3: Cross multiply
    2,502.20x = 3,453.14 × 1,661.46
  4. Step 4: Simplify right side
    2,502.20x = 5,737,235.84
  5. Step 5: Solve for x
    x = 5,737,235.84/2,502.20
  6. Step 6: Final answer
    x = 2,292.87

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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.