Home / 3,651.20-5,476.16-2,007.20

Finding the Fourth Proportional to 3,651.20, 5,476.16 and 2,007.20

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Solution

The fourth proportional to 3,651.20, 5,476.16 and 2,007.20 is: 3,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.20 : 5,476.16 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    3,651.20/5,476.16 = 2,007.20/x
  3. Step 3: Cross multiply
    3,651.20x = 5,476.16 × 2,007.20
  4. Step 4: Simplify right side
    3,651.20x = 10,991,748.35
  5. Step 5: Solve for x
    x = 10,991,748.35/3,651.20
  6. Step 6: Final answer
    x = 3,010.45

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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.