Home / 3,207.84-4,428.72-2,029.92

Finding the Fourth Proportional to 3,207.84, 4,428.72 and 2,029.92

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Solution

The fourth proportional to 3,207.84, 4,428.72 and 2,029.92 is: 2,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.84 : 4,428.72 = 2,029.92 : x
  2. Step 2: Convert to fraction form
    3,207.84/4,428.72 = 2,029.92/x
  3. Step 3: Cross multiply
    3,207.84x = 4,428.72 × 2,029.92
  4. Step 4: Simplify right side
    3,207.84x = 8,989,947.30
  5. Step 5: Solve for x
    x = 8,989,947.30/3,207.84
  6. Step 6: Final answer
    x = 2,802.49

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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.