Home / 3,176.43-4,378.64-2,503.02

Finding the Fourth Proportional to 3,176.43, 4,378.64 and 2,503.02

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Solution

The fourth proportional to 3,176.43, 4,378.64 and 2,503.02 is: 3,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.43 : 4,378.64 = 2,503.02 : x
  2. Step 2: Convert to fraction form
    3,176.43/4,378.64 = 2,503.02/x
  3. Step 3: Cross multiply
    3,176.43x = 4,378.64 × 2,503.02
  4. Step 4: Simplify right side
    3,176.43x = 10,959,823.49
  5. Step 5: Solve for x
    x = 10,959,823.49/3,176.43
  6. Step 6: Final answer
    x = 3,450.36

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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.