Home / 3,455.96-4,769.33-1,963.79

Finding the Fourth Proportional to 3,455.96, 4,769.33 and 1,963.79

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Solution

The fourth proportional to 3,455.96, 4,769.33 and 1,963.79 is: 2,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.96 : 4,769.33 = 1,963.79 : x
  2. Step 2: Convert to fraction form
    3,455.96/4,769.33 = 1,963.79/x
  3. Step 3: Cross multiply
    3,455.96x = 4,769.33 × 1,963.79
  4. Step 4: Simplify right side
    3,455.96x = 9,365,938.71
  5. Step 5: Solve for x
    x = 9,365,938.71/3,455.96
  6. Step 6: Final answer
    x = 2,710.09

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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.