Home / 2,518.35-3,776.31-1,057.11

Finding the Fourth Proportional to 2,518.35, 3,776.31 and 1,057.11

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Solution

The fourth proportional to 2,518.35, 3,776.31 and 1,057.11 is: 1,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.35 : 3,776.31 = 1,057.11 : x
  2. Step 2: Convert to fraction form
    2,518.35/3,776.31 = 1,057.11/x
  3. Step 3: Cross multiply
    2,518.35x = 3,776.31 × 1,057.11
  4. Step 4: Simplify right side
    2,518.35x = 3,991,975.06
  5. Step 5: Solve for x
    x = 3,991,975.06/2,518.35
  6. Step 6: Final answer
    x = 1,585.15

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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.