Home / 3,579.84-4,939.98-2,087.76

Finding the Fourth Proportional to 3,579.84, 4,939.98 and 2,087.76

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Solution

The fourth proportional to 3,579.84, 4,939.98 and 2,087.76 is: 2,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.84 : 4,939.98 = 2,087.76 : x
  2. Step 2: Convert to fraction form
    3,579.84/4,939.98 = 2,087.76/x
  3. Step 3: Cross multiply
    3,579.84x = 4,939.98 × 2,087.76
  4. Step 4: Simplify right side
    3,579.84x = 10,313,492.64
  5. Step 5: Solve for x
    x = 10,313,492.64/3,579.84
  6. Step 6: Final answer
    x = 2,880.99

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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.