Home / 3,005.33-4,509.62-1,251.55

Finding the Fourth Proportional to 3,005.33, 4,509.62 and 1,251.55

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Solution

The fourth proportional to 3,005.33, 4,509.62 and 1,251.55 is: 1,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.33 : 4,509.62 = 1,251.55 : x
  2. Step 2: Convert to fraction form
    3,005.33/4,509.62 = 1,251.55/x
  3. Step 3: Cross multiply
    3,005.33x = 4,509.62 × 1,251.55
  4. Step 4: Simplify right side
    3,005.33x = 5,644,014.91
  5. Step 5: Solve for x
    x = 5,644,014.91/3,005.33
  6. Step 6: Final answer
    x = 1,878.00

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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.