Home / 3,630.26-5,446.61-1,439.62

Finding the Fourth Proportional to 3,630.26, 5,446.61 and 1,439.62

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Solution

The fourth proportional to 3,630.26, 5,446.61 and 1,439.62 is: 2,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.26 : 5,446.61 = 1,439.62 : x
  2. Step 2: Convert to fraction form
    3,630.26/5,446.61 = 1,439.62/x
  3. Step 3: Cross multiply
    3,630.26x = 5,446.61 × 1,439.62
  4. Step 4: Simplify right side
    3,630.26x = 7,841,048.69
  5. Step 5: Solve for x
    x = 7,841,048.69/3,630.26
  6. Step 6: Final answer
    x = 2,159.91

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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.