Home / 3,619.80-4,993.02-2,732.76

Finding the Fourth Proportional to 3,619.80, 4,993.02 and 2,732.76

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Solution

The fourth proportional to 3,619.80, 4,993.02 and 2,732.76 is: 3,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.80 : 4,993.02 = 2,732.76 : x
  2. Step 2: Convert to fraction form
    3,619.80/4,993.02 = 2,732.76/x
  3. Step 3: Cross multiply
    3,619.80x = 4,993.02 × 2,732.76
  4. Step 4: Simplify right side
    3,619.80x = 13,644,725.34
  5. Step 5: Solve for x
    x = 13,644,725.34/3,619.80
  6. Step 6: Final answer
    x = 3,769.47

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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.