Home / 2,767.48-3,823.99-2,212.53

Finding the Fourth Proportional to 2,767.48, 3,823.99 and 2,212.53

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Solution

The fourth proportional to 2,767.48, 3,823.99 and 2,212.53 is: 3,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.48 : 3,823.99 = 2,212.53 : x
  2. Step 2: Convert to fraction form
    2,767.48/3,823.99 = 2,212.53/x
  3. Step 3: Cross multiply
    2,767.48x = 3,823.99 × 2,212.53
  4. Step 4: Simplify right side
    2,767.48x = 8,460,687.06
  5. Step 5: Solve for x
    x = 8,460,687.06/2,767.48
  6. Step 6: Final answer
    x = 3,057.18

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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.