Home / 3,630.55-5,447.63-1,439.23

Finding the Fourth Proportional to 3,630.55, 5,447.63 and 1,439.23

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Solution

The fourth proportional to 3,630.55, 5,447.63 and 1,439.23 is: 2,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.55 : 5,447.63 = 1,439.23 : x
  2. Step 2: Convert to fraction form
    3,630.55/5,447.63 = 1,439.23/x
  3. Step 3: Cross multiply
    3,630.55x = 5,447.63 × 1,439.23
  4. Step 4: Simplify right side
    3,630.55x = 7,840,392.52
  5. Step 5: Solve for x
    x = 7,840,392.52/3,630.55
  6. Step 6: Final answer
    x = 2,159.56

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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.