Home / 3,716.75-5,130.33-2,671.85

Finding the Fourth Proportional to 3,716.75, 5,130.33 and 2,671.85

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Solution

The fourth proportional to 3,716.75, 5,130.33 and 2,671.85 is: 3,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.75 : 5,130.33 = 2,671.85 : x
  2. Step 2: Convert to fraction form
    3,716.75/5,130.33 = 2,671.85/x
  3. Step 3: Cross multiply
    3,716.75x = 5,130.33 × 2,671.85
  4. Step 4: Simplify right side
    3,716.75x = 13,707,472.21
  5. Step 5: Solve for x
    x = 13,707,472.21/3,716.75
  6. Step 6: Final answer
    x = 3,688.03

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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.