Home / 3,770.45-5,656.70-1,822.65

Finding the Fourth Proportional to 3,770.45, 5,656.70 and 1,822.65

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Solution

The fourth proportional to 3,770.45, 5,656.70 and 1,822.65 is: 2,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.45 : 5,656.70 = 1,822.65 : x
  2. Step 2: Convert to fraction form
    3,770.45/5,656.70 = 1,822.65/x
  3. Step 3: Cross multiply
    3,770.45x = 5,656.70 × 1,822.65
  4. Step 4: Simplify right side
    3,770.45x = 10,310,184.26
  5. Step 5: Solve for x
    x = 10,310,184.26/3,770.45
  6. Step 6: Final answer
    x = 2,734.47

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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.