Home / 3,076.89-4,616.01-1,129.08

Finding the Fourth Proportional to 3,076.89, 4,616.01 and 1,129.08

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Solution

The fourth proportional to 3,076.89, 4,616.01 and 1,129.08 is: 1,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.89 : 4,616.01 = 1,129.08 : x
  2. Step 2: Convert to fraction form
    3,076.89/4,616.01 = 1,129.08/x
  3. Step 3: Cross multiply
    3,076.89x = 4,616.01 × 1,129.08
  4. Step 4: Simplify right side
    3,076.89x = 5,211,844.57
  5. Step 5: Solve for x
    x = 5,211,844.57/3,076.89
  6. Step 6: Final answer
    x = 1,693.87

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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.