Home / 2,637.55-3,640.07-1,519.14

Finding the Fourth Proportional to 2,637.55, 3,640.07 and 1,519.14

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Solution

The fourth proportional to 2,637.55, 3,640.07 and 1,519.14 is: 2,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.55 : 3,640.07 = 1,519.14 : x
  2. Step 2: Convert to fraction form
    2,637.55/3,640.07 = 1,519.14/x
  3. Step 3: Cross multiply
    2,637.55x = 3,640.07 × 1,519.14
  4. Step 4: Simplify right side
    2,637.55x = 5,529,775.94
  5. Step 5: Solve for x
    x = 5,529,775.94/2,637.55
  6. Step 6: Final answer
    x = 2,096.56

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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.