Home / 3,621.55-5,441.40-2,305.87

Finding the Fourth Proportional to 3,621.55, 5,441.40 and 2,305.87

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Solution

The fourth proportional to 3,621.55, 5,441.40 and 2,305.87 is: 3,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.55 : 5,441.40 = 2,305.87 : x
  2. Step 2: Convert to fraction form
    3,621.55/5,441.40 = 2,305.87/x
  3. Step 3: Cross multiply
    3,621.55x = 5,441.40 × 2,305.87
  4. Step 4: Simplify right side
    3,621.55x = 12,547,161.02
  5. Step 5: Solve for x
    x = 12,547,161.02/3,621.55
  6. Step 6: Final answer
    x = 3,464.58

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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.