Home / 3,500.40-5,243.51-2,180.10

Finding the Fourth Proportional to 3,500.40, 5,243.51 and 2,180.10

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Solution

The fourth proportional to 3,500.40, 5,243.51 and 2,180.10 is: 3,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.40 : 5,243.51 = 2,180.10 : x
  2. Step 2: Convert to fraction form
    3,500.40/5,243.51 = 2,180.10/x
  3. Step 3: Cross multiply
    3,500.40x = 5,243.51 × 2,180.10
  4. Step 4: Simplify right side
    3,500.40x = 11,431,381.60
  5. Step 5: Solve for x
    x = 11,431,381.60/3,500.40
  6. Step 6: Final answer
    x = 3,265.74

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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.