Home / 1,433.39-2,150.22-459.23

Finding the Fourth Proportional to 1,433.39, 2,150.22 and 459.23

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Solution

The fourth proportional to 1,433.39, 2,150.22 and 459.23 is: 688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.39 : 2,150.22 = 459.23 : x
  2. Step 2: Convert to fraction form
    1,433.39/2,150.22 = 459.23/x
  3. Step 3: Cross multiply
    1,433.39x = 2,150.22 × 459.23
  4. Step 4: Simplify right side
    1,433.39x = 987,445.53
  5. Step 5: Solve for x
    x = 987,445.53/1,433.39
  6. Step 6: Final answer
    x = 688.89

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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.