Home / 3,135.13-4,702.73-1,491.84

Finding the Fourth Proportional to 3,135.13, 4,702.73 and 1,491.84

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Solution

The fourth proportional to 3,135.13, 4,702.73 and 1,491.84 is: 2,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.13 : 4,702.73 = 1,491.84 : x
  2. Step 2: Convert to fraction form
    3,135.13/4,702.73 = 1,491.84/x
  3. Step 3: Cross multiply
    3,135.13x = 4,702.73 × 1,491.84
  4. Step 4: Simplify right side
    3,135.13x = 7,015,713.26
  5. Step 5: Solve for x
    x = 7,015,713.26/3,135.13
  6. Step 6: Final answer
    x = 2,237.78

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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.