Home / 3,587.45-4,949.46-2,171.57

Finding the Fourth Proportional to 3,587.45, 4,949.46 and 2,171.57

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Solution

The fourth proportional to 3,587.45, 4,949.46 and 2,171.57 is: 2,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.45 : 4,949.46 = 2,171.57 : x
  2. Step 2: Convert to fraction form
    3,587.45/4,949.46 = 2,171.57/x
  3. Step 3: Cross multiply
    3,587.45x = 4,949.46 × 2,171.57
  4. Step 4: Simplify right side
    3,587.45x = 10,748,074.10
  5. Step 5: Solve for x
    x = 10,748,074.10/3,587.45
  6. Step 6: Final answer
    x = 2,996.02

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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.