Home / 3,010.12-4,512.84-1,914.28

Finding the Fourth Proportional to 3,010.12, 4,512.84 and 1,914.28

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Solution

The fourth proportional to 3,010.12, 4,512.84 and 1,914.28 is: 2,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.12 : 4,512.84 = 1,914.28 : x
  2. Step 2: Convert to fraction form
    3,010.12/4,512.84 = 1,914.28/x
  3. Step 3: Cross multiply
    3,010.12x = 4,512.84 × 1,914.28
  4. Step 4: Simplify right side
    3,010.12x = 8,638,839.36
  5. Step 5: Solve for x
    x = 8,638,839.36/3,010.12
  6. Step 6: Final answer
    x = 2,869.93

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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.