Home / 2,500.38-3,732.96-1,912.32

Finding the Fourth Proportional to 2,500.38, 3,732.96 and 1,912.32

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Solution

The fourth proportional to 2,500.38, 3,732.96 and 1,912.32 is: 2,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.38 : 3,732.96 = 1,912.32 : x
  2. Step 2: Convert to fraction form
    2,500.38/3,732.96 = 1,912.32/x
  3. Step 3: Cross multiply
    2,500.38x = 3,732.96 × 1,912.32
  4. Step 4: Simplify right side
    2,500.38x = 7,138,614.07
  5. Step 5: Solve for x
    x = 7,138,614.07/2,500.38
  6. Step 6: Final answer
    x = 2,855.01

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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.