Home / 3,729.04-5,145.60-2,237.20

Finding the Fourth Proportional to 3,729.04, 5,145.60 and 2,237.20

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Solution

The fourth proportional to 3,729.04, 5,145.60 and 2,237.20 is: 3,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.04 : 5,145.60 = 2,237.20 : x
  2. Step 2: Convert to fraction form
    3,729.04/5,145.60 = 2,237.20/x
  3. Step 3: Cross multiply
    3,729.04x = 5,145.60 × 2,237.20
  4. Step 4: Simplify right side
    3,729.04x = 11,511,736.32
  5. Step 5: Solve for x
    x = 11,511,736.32/3,729.04
  6. Step 6: Final answer
    x = 3,087.05

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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.