Home / 3,769.33-5,653.47-2,640.18

Finding the Fourth Proportional to 3,769.33, 5,653.47 and 2,640.18

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Solution

The fourth proportional to 3,769.33, 5,653.47 and 2,640.18 is: 3,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.33 : 5,653.47 = 2,640.18 : x
  2. Step 2: Convert to fraction form
    3,769.33/5,653.47 = 2,640.18/x
  3. Step 3: Cross multiply
    3,769.33x = 5,653.47 × 2,640.18
  4. Step 4: Simplify right side
    3,769.33x = 14,926,167.12
  5. Step 5: Solve for x
    x = 14,926,167.12/3,769.33
  6. Step 6: Final answer
    x = 3,959.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.