Home / 3,455.50-4,769.16-1,963.12

Finding the Fourth Proportional to 3,455.50, 4,769.16 and 1,963.12

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Solution

The fourth proportional to 3,455.50, 4,769.16 and 1,963.12 is: 2,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.50 : 4,769.16 = 1,963.12 : x
  2. Step 2: Convert to fraction form
    3,455.50/4,769.16 = 1,963.12/x
  3. Step 3: Cross multiply
    3,455.50x = 4,769.16 × 1,963.12
  4. Step 4: Simplify right side
    3,455.50x = 9,362,433.38
  5. Step 5: Solve for x
    x = 9,362,433.38/3,455.50
  6. Step 6: Final answer
    x = 2,709.43

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1.5x scale

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.