Home / 2,519.24-3,777.56-1,131.39

Finding the Fourth Proportional to 2,519.24, 3,777.56 and 1,131.39

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Solution

The fourth proportional to 2,519.24, 3,777.56 and 1,131.39 is: 1,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.24 : 3,777.56 = 1,131.39 : x
  2. Step 2: Convert to fraction form
    2,519.24/3,777.56 = 1,131.39/x
  3. Step 3: Cross multiply
    2,519.24x = 3,777.56 × 1,131.39
  4. Step 4: Simplify right side
    2,519.24x = 4,273,892.19
  5. Step 5: Solve for x
    x = 4,273,892.19/2,519.24
  6. Step 6: Final answer
    x = 1,696.50

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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.