Home / 3,763.21-5,653.46-2,655.17

Finding the Fourth Proportional to 3,763.21, 5,653.46 and 2,655.17

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Solution

The fourth proportional to 3,763.21, 5,653.46 and 2,655.17 is: 3,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.21 : 5,653.46 = 2,655.17 : x
  2. Step 2: Convert to fraction form
    3,763.21/5,653.46 = 2,655.17/x
  3. Step 3: Cross multiply
    3,763.21x = 5,653.46 × 2,655.17
  4. Step 4: Simplify right side
    3,763.21x = 15,010,897.39
  5. Step 5: Solve for x
    x = 15,010,897.39/3,763.21
  6. Step 6: Final answer
    x = 3,988.86

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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.