Home / 1,529.42-2,293.91-433.86

Finding the Fourth Proportional to 1,529.42, 2,293.91 and 433.86

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Solution

The fourth proportional to 1,529.42, 2,293.91 and 433.86 is: 650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.42 : 2,293.91 = 433.86 : x
  2. Step 2: Convert to fraction form
    1,529.42/2,293.91 = 433.86/x
  3. Step 3: Cross multiply
    1,529.42x = 2,293.91 × 433.86
  4. Step 4: Simplify right side
    1,529.42x = 995,233.62
  5. Step 5: Solve for x
    x = 995,233.62/1,529.42
  6. Step 6: Final answer
    x = 650.73

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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.