Home / 3,535.80-5,305.08-1,456.80

Finding the Fourth Proportional to 3,535.80, 5,305.08 and 1,456.80

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Solution

The fourth proportional to 3,535.80, 5,305.08 and 1,456.80 is: 2,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.80 : 5,305.08 = 1,456.80 : x
  2. Step 2: Convert to fraction form
    3,535.80/5,305.08 = 1,456.80/x
  3. Step 3: Cross multiply
    3,535.80x = 5,305.08 × 1,456.80
  4. Step 4: Simplify right side
    3,535.80x = 7,728,440.54
  5. Step 5: Solve for x
    x = 7,728,440.54/3,535.80
  6. Step 6: Final answer
    x = 2,185.77

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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.