Home / 3,040.30-4,560.82-1,091.98

Finding the Fourth Proportional to 3,040.30, 4,560.82 and 1,091.98

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Solution

The fourth proportional to 3,040.30, 4,560.82 and 1,091.98 is: 1,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.30 : 4,560.82 = 1,091.98 : x
  2. Step 2: Convert to fraction form
    3,040.30/4,560.82 = 1,091.98/x
  3. Step 3: Cross multiply
    3,040.30x = 4,560.82 × 1,091.98
  4. Step 4: Simplify right side
    3,040.30x = 4,980,324.22
  5. Step 5: Solve for x
    x = 4,980,324.22/3,040.30
  6. Step 6: Final answer
    x = 1,638.10

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1.5x scale

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.