Home / 3,455.84-4,769.06-1,963.76

Finding the Fourth Proportional to 3,455.84, 4,769.06 and 1,963.76

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Solution

The fourth proportional to 3,455.84, 4,769.06 and 1,963.76 is: 2,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.84 : 4,769.06 = 1,963.76 : x
  2. Step 2: Convert to fraction form
    3,455.84/4,769.06 = 1,963.76/x
  3. Step 3: Cross multiply
    3,455.84x = 4,769.06 × 1,963.76
  4. Step 4: Simplify right side
    3,455.84x = 9,365,309.78
  5. Step 5: Solve for x
    x = 9,365,309.78/3,455.84
  6. Step 6: Final answer
    x = 2,709.99

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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.