Home / 3,580.89-5,360.90-2,660.54

Finding the Fourth Proportional to 3,580.89, 5,360.90 and 2,660.54

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Solution

The fourth proportional to 3,580.89, 5,360.90 and 2,660.54 is: 3,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.89 : 5,360.90 = 2,660.54 : x
  2. Step 2: Convert to fraction form
    3,580.89/5,360.90 = 2,660.54/x
  3. Step 3: Cross multiply
    3,580.89x = 5,360.90 × 2,660.54
  4. Step 4: Simplify right side
    3,580.89x = 14,262,848.78
  5. Step 5: Solve for x
    x = 14,262,848.78/3,580.89
  6. Step 6: Final answer
    x = 3,983.05

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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.