Home / 3,291.57-4,939.34-1,442.66

Finding the Fourth Proportional to 3,291.57, 4,939.34 and 1,442.66

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Solution

The fourth proportional to 3,291.57, 4,939.34 and 1,442.66 is: 2,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.57 : 4,939.34 = 1,442.66 : x
  2. Step 2: Convert to fraction form
    3,291.57/4,939.34 = 1,442.66/x
  3. Step 3: Cross multiply
    3,291.57x = 4,939.34 × 1,442.66
  4. Step 4: Simplify right side
    3,291.57x = 7,125,756.33
  5. Step 5: Solve for x
    x = 7,125,756.33/3,291.57
  6. Step 6: Final answer
    x = 2,164.85

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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.