Home / 2,917.62-4,378.53-1,436.52

Finding the Fourth Proportional to 2,917.62, 4,378.53 and 1,436.52

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Solution

The fourth proportional to 2,917.62, 4,378.53 and 1,436.52 is: 2,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.62 : 4,378.53 = 1,436.52 : x
  2. Step 2: Convert to fraction form
    2,917.62/4,378.53 = 1,436.52/x
  3. Step 3: Cross multiply
    2,917.62x = 4,378.53 × 1,436.52
  4. Step 4: Simplify right side
    2,917.62x = 6,289,845.92
  5. Step 5: Solve for x
    x = 6,289,845.92/2,917.62
  6. Step 6: Final answer
    x = 2,155.81

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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.