Home / 3,639.04-5,020.08-2,379.52

Finding the Fourth Proportional to 3,639.04, 5,020.08 and 2,379.52

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Solution

The fourth proportional to 3,639.04, 5,020.08 and 2,379.52 is: 3,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.04 : 5,020.08 = 2,379.52 : x
  2. Step 2: Convert to fraction form
    3,639.04/5,020.08 = 2,379.52/x
  3. Step 3: Cross multiply
    3,639.04x = 5,020.08 × 2,379.52
  4. Step 4: Simplify right side
    3,639.04x = 11,945,380.76
  5. Step 5: Solve for x
    x = 11,945,380.76/3,639.04
  6. Step 6: Final answer
    x = 3,282.56

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1.5x scale

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.