Home / 2,716.76-3,749.04-1,537.80

Finding the Fourth Proportional to 2,716.76, 3,749.04 and 1,537.80

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Solution

The fourth proportional to 2,716.76, 3,749.04 and 1,537.80 is: 2,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.76 : 3,749.04 = 1,537.80 : x
  2. Step 2: Convert to fraction form
    2,716.76/3,749.04 = 1,537.80/x
  3. Step 3: Cross multiply
    2,716.76x = 3,749.04 × 1,537.80
  4. Step 4: Simplify right side
    2,716.76x = 5,765,273.71
  5. Step 5: Solve for x
    x = 5,765,273.71/2,716.76
  6. Step 6: Final answer
    x = 2,122.11

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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.