Home / 3,770.21-5,653.04-1,689.83

Finding the Fourth Proportional to 3,770.21, 5,653.04 and 1,689.83

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Solution

The fourth proportional to 3,770.21, 5,653.04 and 1,689.83 is: 2,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.21 : 5,653.04 = 1,689.83 : x
  2. Step 2: Convert to fraction form
    3,770.21/5,653.04 = 1,689.83/x
  3. Step 3: Cross multiply
    3,770.21x = 5,653.04 × 1,689.83
  4. Step 4: Simplify right side
    3,770.21x = 9,552,670.57
  5. Step 5: Solve for x
    x = 9,552,670.57/3,770.21
  6. Step 6: Final answer
    x = 2,533.72

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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.