Home / 3,605.64-5,410.07-1,758.43

Finding the Fourth Proportional to 3,605.64, 5,410.07 and 1,758.43

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Solution

The fourth proportional to 3,605.64, 5,410.07 and 1,758.43 is: 2,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.64 : 5,410.07 = 1,758.43 : x
  2. Step 2: Convert to fraction form
    3,605.64/5,410.07 = 1,758.43/x
  3. Step 3: Cross multiply
    3,605.64x = 5,410.07 × 1,758.43
  4. Step 4: Simplify right side
    3,605.64x = 9,513,229.39
  5. Step 5: Solve for x
    x = 9,513,229.39/3,605.64
  6. Step 6: Final answer
    x = 2,638.43

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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.