Home / 3,563.62-5,347.86-2,140.06

Finding the Fourth Proportional to 3,563.62, 5,347.86 and 2,140.06

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Solution

The fourth proportional to 3,563.62, 5,347.86 and 2,140.06 is: 3,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.62 : 5,347.86 = 2,140.06 : x
  2. Step 2: Convert to fraction form
    3,563.62/5,347.86 = 2,140.06/x
  3. Step 3: Cross multiply
    3,563.62x = 5,347.86 × 2,140.06
  4. Step 4: Simplify right side
    3,563.62x = 11,444,741.27
  5. Step 5: Solve for x
    x = 11,444,741.27/3,563.62
  6. Step 6: Final answer
    x = 3,211.55

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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.