Home / 2,519.34-3,777.76-1,057.11

Finding the Fourth Proportional to 2,519.34, 3,777.76 and 1,057.11

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Solution

The fourth proportional to 2,519.34, 3,777.76 and 1,057.11 is: 1,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.34 : 3,777.76 = 1,057.11 : x
  2. Step 2: Convert to fraction form
    2,519.34/3,777.76 = 1,057.11/x
  3. Step 3: Cross multiply
    2,519.34x = 3,777.76 × 1,057.11
  4. Step 4: Simplify right side
    2,519.34x = 3,993,507.87
  5. Step 5: Solve for x
    x = 3,993,507.87/2,519.34
  6. Step 6: Final answer
    x = 1,585.14

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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.