Home / 2,890.03-4,334.56-1,040.80

Finding the Fourth Proportional to 2,890.03, 4,334.56 and 1,040.80

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Solution

The fourth proportional to 2,890.03, 4,334.56 and 1,040.80 is: 1,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.03 : 4,334.56 = 1,040.80 : x
  2. Step 2: Convert to fraction form
    2,890.03/4,334.56 = 1,040.80/x
  3. Step 3: Cross multiply
    2,890.03x = 4,334.56 × 1,040.80
  4. Step 4: Simplify right side
    2,890.03x = 4,511,410.05
  5. Step 5: Solve for x
    x = 4,511,410.05/2,890.03
  6. Step 6: Final answer
    x = 1,561.03

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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.