Home / 3,454.53-5,174.64-1,806.07

Finding the Fourth Proportional to 3,454.53, 5,174.64 and 1,806.07

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Solution

The fourth proportional to 3,454.53, 5,174.64 and 1,806.07 is: 2,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.53 : 5,174.64 = 1,806.07 : x
  2. Step 2: Convert to fraction form
    3,454.53/5,174.64 = 1,806.07/x
  3. Step 3: Cross multiply
    3,454.53x = 5,174.64 × 1,806.07
  4. Step 4: Simplify right side
    3,454.53x = 9,345,762.06
  5. Step 5: Solve for x
    x = 9,345,762.06/3,454.53
  6. Step 6: Final answer
    x = 2,705.36

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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.