Home / 3,625.14-5,438.88-1,432.65

Finding the Fourth Proportional to 3,625.14, 5,438.88 and 1,432.65

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Solution

The fourth proportional to 3,625.14, 5,438.88 and 1,432.65 is: 2,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.14 : 5,438.88 = 1,432.65 : x
  2. Step 2: Convert to fraction form
    3,625.14/5,438.88 = 1,432.65/x
  3. Step 3: Cross multiply
    3,625.14x = 5,438.88 × 1,432.65
  4. Step 4: Simplify right side
    3,625.14x = 7,792,011.43
  5. Step 5: Solve for x
    x = 7,792,011.43/3,625.14
  6. Step 6: Final answer
    x = 2,149.44

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1.5x scale

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.