Home / 3,598.50-5,395.70-2,138.68

Finding the Fourth Proportional to 3,598.50, 5,395.70 and 2,138.68

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Solution

The fourth proportional to 3,598.50, 5,395.70 and 2,138.68 is: 3,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.50 : 5,395.70 = 2,138.68 : x
  2. Step 2: Convert to fraction form
    3,598.50/5,395.70 = 2,138.68/x
  3. Step 3: Cross multiply
    3,598.50x = 5,395.70 × 2,138.68
  4. Step 4: Simplify right side
    3,598.50x = 11,539,675.68
  5. Step 5: Solve for x
    x = 11,539,675.68/3,598.50
  6. Step 6: Final answer
    x = 3,206.80

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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.