Home / 1,550.72-2,323.20-1,377.92

Finding the Fourth Proportional to 1,550.72, 2,323.20 and 1,377.92

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Solution

The fourth proportional to 1,550.72, 2,323.20 and 1,377.92 is: 2,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.72 : 2,323.20 = 1,377.92 : x
  2. Step 2: Convert to fraction form
    1,550.72/2,323.20 = 1,377.92/x
  3. Step 3: Cross multiply
    1,550.72x = 2,323.20 × 1,377.92
  4. Step 4: Simplify right side
    1,550.72x = 3,201,183.74
  5. Step 5: Solve for x
    x = 3,201,183.74/1,550.72
  6. Step 6: Final answer
    x = 2,064.32

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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.