Home / 3,653.44-5,475.03-2,421.70

Finding the Fourth Proportional to 3,653.44, 5,475.03 and 2,421.70

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Solution

The fourth proportional to 3,653.44, 5,475.03 and 2,421.70 is: 3,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.44 : 5,475.03 = 2,421.70 : x
  2. Step 2: Convert to fraction form
    3,653.44/5,475.03 = 2,421.70/x
  3. Step 3: Cross multiply
    3,653.44x = 5,475.03 × 2,421.70
  4. Step 4: Simplify right side
    3,653.44x = 13,258,857.38
  5. Step 5: Solve for x
    x = 13,258,857.38/3,653.44
  6. Step 6: Final answer
    x = 3,629.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.