Home / 3,076.98-4,614.72-1,129.33

Finding the Fourth Proportional to 3,076.98, 4,614.72 and 1,129.33

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Solution

The fourth proportional to 3,076.98, 4,614.72 and 1,129.33 is: 1,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.98 : 4,614.72 = 1,129.33 : x
  2. Step 2: Convert to fraction form
    3,076.98/4,614.72 = 1,129.33/x
  3. Step 3: Cross multiply
    3,076.98x = 4,614.72 × 1,129.33
  4. Step 4: Simplify right side
    3,076.98x = 5,211,541.74
  5. Step 5: Solve for x
    x = 5,211,541.74/3,076.98
  6. Step 6: Final answer
    x = 1,693.72

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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.