Home / 2,933.24-4,399.86-1,289.72

Finding the Fourth Proportional to 2,933.24, 4,399.86 and 1,289.72

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Solution

The fourth proportional to 2,933.24, 4,399.86 and 1,289.72 is: 1,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.24 : 4,399.86 = 1,289.72 : x
  2. Step 2: Convert to fraction form
    2,933.24/4,399.86 = 1,289.72/x
  3. Step 3: Cross multiply
    2,933.24x = 4,399.86 × 1,289.72
  4. Step 4: Simplify right side
    2,933.24x = 5,674,587.44
  5. Step 5: Solve for x
    x = 5,674,587.44/2,933.24
  6. Step 6: Final answer
    x = 1,934.58

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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.