Home / 3,725.82-5,140.54-2,310.56

Finding the Fourth Proportional to 3,725.82, 5,140.54 and 2,310.56

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Solution

The fourth proportional to 3,725.82, 5,140.54 and 2,310.56 is: 3,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.82 : 5,140.54 = 2,310.56 : x
  2. Step 2: Convert to fraction form
    3,725.82/5,140.54 = 2,310.56/x
  3. Step 3: Cross multiply
    3,725.82x = 5,140.54 × 2,310.56
  4. Step 4: Simplify right side
    3,725.82x = 11,877,526.10
  5. Step 5: Solve for x
    x = 11,877,526.10/3,725.82
  6. Step 6: Final answer
    x = 3,187.90

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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.