Home / 3,725.12-5,140.80-2,046.60

Finding the Fourth Proportional to 3,725.12, 5,140.80 and 2,046.60

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Solution

The fourth proportional to 3,725.12, 5,140.80 and 2,046.60 is: 2,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.12 : 5,140.80 = 2,046.60 : x
  2. Step 2: Convert to fraction form
    3,725.12/5,140.80 = 2,046.60/x
  3. Step 3: Cross multiply
    3,725.12x = 5,140.80 × 2,046.60
  4. Step 4: Simplify right side
    3,725.12x = 10,521,161.28
  5. Step 5: Solve for x
    x = 10,521,161.28/3,725.12
  6. Step 6: Final answer
    x = 2,824.38

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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.