Home / 3,563.32-4,917.54-2,515.72

Finding the Fourth Proportional to 3,563.32, 4,917.54 and 2,515.72

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Solution

The fourth proportional to 3,563.32, 4,917.54 and 2,515.72 is: 3,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.32 : 4,917.54 = 2,515.72 : x
  2. Step 2: Convert to fraction form
    3,563.32/4,917.54 = 2,515.72/x
  3. Step 3: Cross multiply
    3,563.32x = 4,917.54 × 2,515.72
  4. Step 4: Simplify right side
    3,563.32x = 12,371,153.73
  5. Step 5: Solve for x
    x = 12,371,153.73/3,563.32
  6. Step 6: Final answer
    x = 3,471.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.