Home / 3,598.11-5,396.52-1,405.71

Finding the Fourth Proportional to 3,598.11, 5,396.52 and 1,405.71

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Solution

The fourth proportional to 3,598.11, 5,396.52 and 1,405.71 is: 2,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.11 : 5,396.52 = 1,405.71 : x
  2. Step 2: Convert to fraction form
    3,598.11/5,396.52 = 1,405.71/x
  3. Step 3: Cross multiply
    3,598.11x = 5,396.52 × 1,405.71
  4. Step 4: Simplify right side
    3,598.11x = 7,585,942.13
  5. Step 5: Solve for x
    x = 7,585,942.13/3,598.11
  6. Step 6: Final answer
    x = 2,108.31

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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.