Home / 3,005.75-4,504.52-1,690.14

Finding the Fourth Proportional to 3,005.75, 4,504.52 and 1,690.14

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Solution

The fourth proportional to 3,005.75, 4,504.52 and 1,690.14 is: 2,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.75 : 4,504.52 = 1,690.14 : x
  2. Step 2: Convert to fraction form
    3,005.75/4,504.52 = 1,690.14/x
  3. Step 3: Cross multiply
    3,005.75x = 4,504.52 × 1,690.14
  4. Step 4: Simplify right side
    3,005.75x = 7,613,290.55
  5. Step 5: Solve for x
    x = 7,613,290.55/3,005.75
  6. Step 6: Final answer
    x = 2,532.91

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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.