Home / 3,620.72-5,433.69-1,541.30

Finding the Fourth Proportional to 3,620.72, 5,433.69 and 1,541.30

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Solution

The fourth proportional to 3,620.72, 5,433.69 and 1,541.30 is: 2,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.72 : 5,433.69 = 1,541.30 : x
  2. Step 2: Convert to fraction form
    3,620.72/5,433.69 = 1,541.30/x
  3. Step 3: Cross multiply
    3,620.72x = 5,433.69 × 1,541.30
  4. Step 4: Simplify right side
    3,620.72x = 8,374,946.40
  5. Step 5: Solve for x
    x = 8,374,946.40/3,620.72
  6. Step 6: Final answer
    x = 2,313.06

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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.