Home / 3,357.80-5,037.92-1,625.21

Finding the Fourth Proportional to 3,357.80, 5,037.92 and 1,625.21

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Solution

The fourth proportional to 3,357.80, 5,037.92 and 1,625.21 is: 2,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.80 : 5,037.92 = 1,625.21 : x
  2. Step 2: Convert to fraction form
    3,357.80/5,037.92 = 1,625.21/x
  3. Step 3: Cross multiply
    3,357.80x = 5,037.92 × 1,625.21
  4. Step 4: Simplify right side
    3,357.80x = 8,187,644.65
  5. Step 5: Solve for x
    x = 8,187,644.65/3,357.80
  6. Step 6: Final answer
    x = 2,438.40

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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.