Home / 3,653.20-5,482.14-1,433.80

Finding the Fourth Proportional to 3,653.20, 5,482.14 and 1,433.80

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Solution

The fourth proportional to 3,653.20, 5,482.14 and 1,433.80 is: 2,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.20 : 5,482.14 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    3,653.20/5,482.14 = 1,433.80/x
  3. Step 3: Cross multiply
    3,653.20x = 5,482.14 × 1,433.80
  4. Step 4: Simplify right side
    3,653.20x = 7,860,292.33
  5. Step 5: Solve for x
    x = 7,860,292.33/3,653.20
  6. Step 6: Final answer
    x = 2,151.62

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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.