Home / 2,518.71-3,761.09-2,057.39

Finding the Fourth Proportional to 2,518.71, 3,761.09 and 2,057.39

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Solution

The fourth proportional to 2,518.71, 3,761.09 and 2,057.39 is: 3,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.71 : 3,761.09 = 2,057.39 : x
  2. Step 2: Convert to fraction form
    2,518.71/3,761.09 = 2,057.39/x
  3. Step 3: Cross multiply
    2,518.71x = 3,761.09 × 2,057.39
  4. Step 4: Simplify right side
    2,518.71x = 7,738,028.96
  5. Step 5: Solve for x
    x = 7,738,028.96/2,518.71
  6. Step 6: Final answer
    x = 3,072.22

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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.