Home / 3,580.39-5,360.15-2,660.03

Finding the Fourth Proportional to 3,580.39, 5,360.15 and 2,660.03

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Solution

The fourth proportional to 3,580.39, 5,360.15 and 2,660.03 is: 3,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.39 : 5,360.15 = 2,660.03 : x
  2. Step 2: Convert to fraction form
    3,580.39/5,360.15 = 2,660.03/x
  3. Step 3: Cross multiply
    3,580.39x = 5,360.15 × 2,660.03
  4. Step 4: Simplify right side
    3,580.39x = 14,258,159.80
  5. Step 5: Solve for x
    x = 14,258,159.80/3,580.39
  6. Step 6: Final answer
    x = 3,982.29

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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.