Home / 3,040.30-4,561.80-1,093.90

Finding the Fourth Proportional to 3,040.30, 4,561.80 and 1,093.90

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Solution

The fourth proportional to 3,040.30, 4,561.80 and 1,093.90 is: 1,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.30 : 4,561.80 = 1,093.90 : x
  2. Step 2: Convert to fraction form
    3,040.30/4,561.80 = 1,093.90/x
  3. Step 3: Cross multiply
    3,040.30x = 4,561.80 × 1,093.90
  4. Step 4: Simplify right side
    3,040.30x = 4,990,153.02
  5. Step 5: Solve for x
    x = 4,990,153.02/3,040.30
  6. Step 6: Final answer
    x = 1,641.34

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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.