Home / 2,936.20-4,379.56-2,732.08

Finding the Fourth Proportional to 2,936.20, 4,379.56 and 2,732.08

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Solution

The fourth proportional to 2,936.20, 4,379.56 and 2,732.08 is: 4,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.20 : 4,379.56 = 2,732.08 : x
  2. Step 2: Convert to fraction form
    2,936.20/4,379.56 = 2,732.08/x
  3. Step 3: Cross multiply
    2,936.20x = 4,379.56 × 2,732.08
  4. Step 4: Simplify right side
    2,936.20x = 11,965,308.28
  5. Step 5: Solve for x
    x = 11,965,308.28/2,936.20
  6. Step 6: Final answer
    x = 4,075.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.