Home / 3,562.63-5,321.75-2,639.99

Finding the Fourth Proportional to 3,562.63, 5,321.75 and 2,639.99

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Solution

The fourth proportional to 3,562.63, 5,321.75 and 2,639.99 is: 3,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.63 : 5,321.75 = 2,639.99 : x
  2. Step 2: Convert to fraction form
    3,562.63/5,321.75 = 2,639.99/x
  3. Step 3: Cross multiply
    3,562.63x = 5,321.75 × 2,639.99
  4. Step 4: Simplify right side
    3,562.63x = 14,049,366.89
  5. Step 5: Solve for x
    x = 14,049,366.89/3,562.63
  6. Step 6: Final answer
    x = 3,943.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.