Home / 3,887.67-5,366.79-2,293.82

Finding the Fourth Proportional to 3,887.67, 5,366.79 and 2,293.82

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Solution

The fourth proportional to 3,887.67, 5,366.79 and 2,293.82 is: 3,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.67 : 5,366.79 = 2,293.82 : x
  2. Step 2: Convert to fraction form
    3,887.67/5,366.79 = 2,293.82/x
  3. Step 3: Cross multiply
    3,887.67x = 5,366.79 × 2,293.82
  4. Step 4: Simplify right side
    3,887.67x = 12,310,423.40
  5. Step 5: Solve for x
    x = 12,310,423.40/3,887.67
  6. Step 6: Final answer
    x = 3,166.53

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1.5x scale

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.